277764760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 776200320

約数和(自身を除く): 498435560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 182, 260, 274, 280, 364, 455, 520, 548, 557, 685, 728, 910, 959, 1096, 1114, 1370, 1781, 1820, 1918, 2228, 2740, 2785, 3562, 3640, 3836, 3899, 4456, 4795, 5480, 5570, 7124, 7241, 7672, 7798, 8905, 9590, 11140, 12467, 14248, 14482, 15596, 17810, 19180, 19495, 22280, 24934, 28964, 31192, 35620, 36205, 38360, 38990, 49868, 50687, 57928, 62335, 71240, 72410, 76309, 77980, 99736, 101374, 124670, 144820, 152618, 155960, 202748, 249340, 253435, 289640, 305236, 381545, 405496, 498680, 506870, 534163, 610472, 763090, 992017, 1013740, 1068326, 1526180, 1984034, 2027480, 2136652, 2670815, 3052360, 3968068, 4273304, 4960085, 5341630, 6944119, 7936136, 9920170, 10683260, 13888238, 19840340, 21366520, 27776476, 34720595, 39680680, 55552952, 69441190, 138882380, 277764760]

約数ペア:

[(1, 277764760), (2, 138882380), (4, 69441190), (5, 55552952), (7, 39680680), (8, 34720595), (10, 27776476), (13, 21366520), (14, 19840340), (20, 13888238), (26, 10683260), (28, 9920170), (35, 7936136), (40, 6944119), (52, 5341630), (56, 4960085), (65, 4273304), (70, 3968068), (91, 3052360), (104, 2670815), (130, 2136652), (137, 2027480), (140, 1984034), (182, 1526180), (260, 1068326), (274, 1013740), (280, 992017), (364, 763090), (455, 610472), (520, 534163), (548, 506870), (557, 498680), (685, 405496), (728, 381545), (910, 305236), (959, 289640), (1096, 253435), (1114, 249340), (1370, 202748), (1781, 155960), (1820, 152618), (1918, 144820), (2228, 124670), (2740, 101374), (2785, 99736), (3562, 77980), (3640, 76309), (3836, 72410), (3899, 71240), (4456, 62335), (4795, 57928), (5480, 50687), (5570, 49868), (7124, 38990), (7241, 38360), (7672, 36205), (7798, 35620), (8905, 31192), (9590, 28964), (11140, 24934), (12467, 22280), (14248, 19495), (14482, 19180), (15596, 17810)]