897855140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:382

約数の個数: 192

約数和(自身を含む): 2458874880

約数和(自身を除く): 1561019740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 89, 91, 92, 115, 130, 140, 161, 178, 182, 230, 241, 260, 299, 322, 356, 364, 445, 455, 460, 482, 598, 623, 644, 805, 890, 910, 964, 1157, 1196, 1205, 1246, 1495, 1610, 1687, 1780, 1820, 2047, 2093, 2314, 2410, 2492, 2990, 3115, 3133, 3220, 3374, 4094, 4186, 4628, 4820, 5543, 5785, 5980, 6230, 6266, 6748, 8099, 8188, 8372, 8435, 10235, 10465, 11086, 11570, 12460, 12532, 14329, 15665, 16198, 16870, 20470, 20930, 21449, 21931, 22172, 23140, 26611, 27715, 28658, 31330, 32396, 33740, 38801, 40495, 40940, 41860, 42898, 43862, 53222, 55430, 57316, 62660, 71645, 72059, 77602, 80990, 85796, 87724, 106444, 107245, 109655, 110860, 133055, 143290, 144118, 150143, 155204, 161980, 186277, 194005, 214490, 219310, 266110, 278837, 286580, 288236, 300286, 360295, 372554, 388010, 428980, 438620, 493327, 504413, 532220, 557674, 600572, 720590, 745108, 750715, 776020, 931385, 986654, 1008826, 1115348, 1394185, 1441180, 1501430, 1862770, 1951859, 1973308, 2017652, 2466635, 2522065, 2788370, 3002860, 3453289, 3725540, 3903718, 4933270, 5044130, 5576740, 6413251, 6906578, 7807436, 9759295, 9866540, 10088260, 12826502, 13813156, 17266445, 19518590, 25653004, 32066255, 34532890, 39037180, 44892757, 64132510, 69065780, 89785514, 128265020, 179571028, 224463785, 448927570, 897855140]

約数ペア:

[(1, 897855140), (2, 448927570), (4, 224463785), (5, 179571028), (7, 128265020), (10, 89785514), (13, 69065780), (14, 64132510), (20, 44892757), (23, 39037180), (26, 34532890), (28, 32066255), (35, 25653004), (46, 19518590), (52, 17266445), (65, 13813156), (70, 12826502), (89, 10088260), (91, 9866540), (92, 9759295), (115, 7807436), (130, 6906578), (140, 6413251), (161, 5576740), (178, 5044130), (182, 4933270), (230, 3903718), (241, 3725540), (260, 3453289), (299, 3002860), (322, 2788370), (356, 2522065), (364, 2466635), (445, 2017652), (455, 1973308), (460, 1951859), (482, 1862770), (598, 1501430), (623, 1441180), (644, 1394185), (805, 1115348), (890, 1008826), (910, 986654), (964, 931385), (1157, 776020), (1196, 750715), (1205, 745108), (1246, 720590), (1495, 600572), (1610, 557674), (1687, 532220), (1780, 504413), (1820, 493327), (2047, 438620), (2093, 428980), (2314, 388010), (2410, 372554), (2492, 360295), (2990, 300286), (3115, 288236), (3133, 286580), (3220, 278837), (3374, 266110), (4094, 219310), (4186, 214490), (4628, 194005), (4820, 186277), (5543, 161980), (5785, 155204), (5980, 150143), (6230, 144118), (6266, 143290), (6748, 133055), (8099, 110860), (8188, 109655), (8372, 107245), (8435, 106444), (10235, 87724), (10465, 85796), (11086, 80990), (11570, 77602), (12460, 72059), (12532, 71645), (14329, 62660), (15665, 57316), (16198, 55430), (16870, 53222), (20470, 43862), (20930, 42898), (21449, 41860), (21931, 40940), (22172, 40495), (23140, 38801), (26611, 33740), (27715, 32396), (28658, 31330)]