8291247860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{911}}^1$

素因数の和:1222

約数の個数: 144

約数和(自身を含む): 20907548928

約数和(自身を除く): 12616301068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 251, 259, 370, 490, 502, 518, 740, 911, 980, 1004, 1036, 1255, 1295, 1757, 1813, 1822, 2510, 2590, 3514, 3626, 3644, 4555, 5020, 5180, 6377, 7028, 7252, 8785, 9065, 9110, 9287, 12299, 12754, 17570, 18130, 18220, 18574, 24598, 25508, 31885, 33707, 35140, 36260, 37148, 44639, 46435, 49196, 61495, 63770, 65009, 67414, 89278, 92870, 122990, 127540, 130018, 134828, 168535, 178556, 185740, 223195, 228661, 235949, 245980, 260036, 325045, 337070, 446390, 455063, 457322, 471898, 650090, 674140, 892780, 910126, 914644, 943796, 1143305, 1179745, 1300180, 1600627, 1651643, 1820252, 2275315, 2286610, 2359490, 3201254, 3303286, 4550630, 4573220, 4718980, 6402508, 6606572, 8003135, 8258215, 8460457, 9101260, 11204389, 16006270, 16516430, 16920914, 22408778, 32012540, 33032860, 33841828, 42302285, 44817556, 56021945, 59223199, 84604570, 112043890, 118446398, 169209140, 224087780, 236892796, 296115995, 414562393, 592231990, 829124786, 1184463980, 1658249572, 2072811965, 4145623930, 8291247860]

約数ペア:

[(1, 8291247860), (2, 4145623930), (4, 2072811965), (5, 1658249572), (7, 1184463980), (10, 829124786), (14, 592231990), (20, 414562393), (28, 296115995), (35, 236892796), (37, 224087780), (49, 169209140), (70, 118446398), (74, 112043890), (98, 84604570), (140, 59223199), (148, 56021945), (185, 44817556), (196, 42302285), (245, 33841828), (251, 33032860), (259, 32012540), (370, 22408778), (490, 16920914), (502, 16516430), (518, 16006270), (740, 11204389), (911, 9101260), (980, 8460457), (1004, 8258215), (1036, 8003135), (1255, 6606572), (1295, 6402508), (1757, 4718980), (1813, 4573220), (1822, 4550630), (2510, 3303286), (2590, 3201254), (3514, 2359490), (3626, 2286610), (3644, 2275315), (4555, 1820252), (5020, 1651643), (5180, 1600627), (6377, 1300180), (7028, 1179745), (7252, 1143305), (8785, 943796), (9065, 914644), (9110, 910126), (9287, 892780), (12299, 674140), (12754, 650090), (17570, 471898), (18130, 457322), (18220, 455063), (18574, 446390), (24598, 337070), (25508, 325045), (31885, 260036), (33707, 245980), (35140, 235949), (36260, 228661), (37148, 223195), (44639, 185740), (46435, 178556), (49196, 168535), (61495, 134828), (63770, 130018), (65009, 127540), (67414, 122990), (89278, 92870)]