2784984440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:286

約数の個数: 256

約数和(自身を含む): 7800883200

約数和(自身を除く): 5015898760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 89, 92, 113, 115, 140, 161, 172, 178, 184, 215, 226, 230, 280, 301, 322, 344, 356, 430, 445, 452, 460, 565, 602, 623, 644, 712, 791, 805, 860, 890, 904, 920, 989, 1130, 1204, 1246, 1288, 1505, 1582, 1610, 1720, 1780, 1978, 2047, 2260, 2408, 2492, 2599, 3010, 3115, 3164, 3220, 3560, 3827, 3955, 3956, 4094, 4520, 4859, 4945, 4984, 5198, 6020, 6230, 6328, 6440, 6923, 7654, 7910, 7912, 8188, 9718, 9890, 10057, 10235, 10396, 12040, 12460, 12995, 13846, 14329, 15308, 15820, 16376, 18193, 19135, 19436, 19780, 20114, 20470, 20792, 24295, 24920, 25990, 26789, 27692, 28658, 30616, 31640, 34013, 34615, 36386, 38270, 38872, 39560, 40228, 40940, 48590, 50285, 51980, 53578, 55384, 57316, 68026, 69230, 70399, 71645, 72772, 76540, 80456, 81880, 88021, 90965, 97180, 100570, 103960, 107156, 111757, 114632, 133945, 136052, 138460, 140798, 143290, 145544, 153080, 170065, 176042, 181930, 194360, 201140, 214312, 223514, 231311, 267890, 272104, 276920, 281596, 286580, 340130, 351995, 352084, 363860, 402280, 432451, 440105, 447028, 462622, 535780, 558785, 563192, 573160, 616147, 680260, 703990, 704168, 727720, 782299, 864902, 880210, 894056, 925244, 1071560, 1117570, 1156555, 1232294, 1360520, 1407980, 1564598, 1619177, 1729804, 1760420, 1850488, 2162255, 2235140, 2313110, 2464588, 2815960, 3027157, 3080735, 3129196, 3238354, 3459608, 3520840, 3911495, 4324510, 4470280, 4626220, 4929176, 6054314, 6161470, 6258392, 6476708, 7822990, 8095885, 8649020, 9252440, 9946373, 12108628, 12322940, 12953416, 15135785, 15645980, 16191770, 17298040, 19892746, 24217256, 24645880, 30271570, 31291960, 32383540, 39785492, 49731865, 60543140, 64767080, 69624611, 79570984, 99463730, 121086280, 139249222, 198927460, 278498444, 348123055, 397854920, 556996888, 696246110, 1392492220, 2784984440]

約数ペア:

[(1, 2784984440), (2, 1392492220), (4, 696246110), (5, 556996888), (7, 397854920), (8, 348123055), (10, 278498444), (14, 198927460), (20, 139249222), (23, 121086280), (28, 99463730), (35, 79570984), (40, 69624611), (43, 64767080), (46, 60543140), (56, 49731865), (70, 39785492), (86, 32383540), (89, 31291960), (92, 30271570), (113, 24645880), (115, 24217256), (140, 19892746), (161, 17298040), (172, 16191770), (178, 15645980), (184, 15135785), (215, 12953416), (226, 12322940), (230, 12108628), (280, 9946373), (301, 9252440), (322, 8649020), (344, 8095885), (356, 7822990), (430, 6476708), (445, 6258392), (452, 6161470), (460, 6054314), (565, 4929176), (602, 4626220), (623, 4470280), (644, 4324510), (712, 3911495), (791, 3520840), (805, 3459608), (860, 3238354), (890, 3129196), (904, 3080735), (920, 3027157), (989, 2815960), (1130, 2464588), (1204, 2313110), (1246, 2235140), (1288, 2162255), (1505, 1850488), (1582, 1760420), (1610, 1729804), (1720, 1619177), (1780, 1564598), (1978, 1407980), (2047, 1360520), (2260, 1232294), (2408, 1156555), (2492, 1117570), (2599, 1071560), (3010, 925244), (3115, 894056), (3164, 880210), (3220, 864902), (3560, 782299), (3827, 727720), (3955, 704168), (3956, 703990), (4094, 680260), (4520, 616147), (4859, 573160), (4945, 563192), (4984, 558785), (5198, 535780), (6020, 462622), (6230, 447028), (6328, 440105), (6440, 432451), (6923, 402280), (7654, 363860), (7910, 352084), (7912, 351995), (8188, 340130), (9718, 286580), (9890, 281596), (10057, 276920), (10235, 272104), (10396, 267890), (12040, 231311), (12460, 223514), (12995, 214312), (13846, 201140), (14329, 194360), (15308, 181930), (15820, 176042), (16376, 170065), (18193, 153080), (19135, 145544), (19436, 143290), (19780, 140798), (20114, 138460), (20470, 136052), (20792, 133945), (24295, 114632), (24920, 111757), (25990, 107156), (26789, 103960), (27692, 100570), (28658, 97180), (30616, 90965), (31640, 88021), (34013, 81880), (34615, 80456), (36386, 76540), (38270, 72772), (38872, 71645), (39560, 70399), (40228, 69230), (40940, 68026), (48590, 57316), (50285, 55384), (51980, 53578)]