2877798980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3253}}^1$

素因数の和:3429

約数の個数: 96

約数和(自身を含む): 7084869120

約数和(自身を除く): 4207070140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 89, 140, 142, 178, 284, 355, 356, 445, 497, 623, 710, 890, 994, 1246, 1420, 1780, 1988, 2485, 2492, 3115, 3253, 4970, 6230, 6319, 6506, 9940, 12460, 12638, 13012, 16265, 22771, 25276, 31595, 32530, 44233, 45542, 63190, 65060, 88466, 91084, 113855, 126380, 176932, 221165, 227710, 230963, 289517, 442330, 455420, 461926, 579034, 884660, 923852, 1154815, 1158068, 1447585, 1616741, 2026619, 2309630, 2895170, 3233482, 4053238, 4619260, 5790340, 6466964, 8083705, 8106476, 10133095, 16167410, 20266190, 20555707, 32334820, 40532380, 41111414, 82222828, 102778535, 143889949, 205557070, 287779898, 411114140, 575559796, 719449745, 1438899490, 2877798980]

約数ペア:

[(1, 2877798980), (2, 1438899490), (4, 719449745), (5, 575559796), (7, 411114140), (10, 287779898), (14, 205557070), (20, 143889949), (28, 102778535), (35, 82222828), (70, 41111414), (71, 40532380), (89, 32334820), (140, 20555707), (142, 20266190), (178, 16167410), (284, 10133095), (355, 8106476), (356, 8083705), (445, 6466964), (497, 5790340), (623, 4619260), (710, 4053238), (890, 3233482), (994, 2895170), (1246, 2309630), (1420, 2026619), (1780, 1616741), (1988, 1447585), (2485, 1158068), (2492, 1154815), (3115, 923852), (3253, 884660), (4970, 579034), (6230, 461926), (6319, 455420), (6506, 442330), (9940, 289517), (12460, 230963), (12638, 227710), (13012, 221165), (16265, 176932), (22771, 126380), (25276, 113855), (31595, 91084), (32530, 88466), (44233, 65060), (45542, 63190)]