1373040400

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:989

約数の個数: 120

約数和(自身を含む): 3422028744

約数和(自身を除く): 2048988344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 113, 148, 185, 200, 226, 296, 370, 400, 452, 565, 592, 740, 821, 904, 925, 1130, 1480, 1642, 1808, 1850, 2260, 2825, 2960, 3284, 3700, 4105, 4181, 4520, 5650, 6568, 7400, 8210, 8362, 9040, 11300, 13136, 14800, 16420, 16724, 20525, 20905, 22600, 30377, 32840, 33448, 41050, 41810, 45200, 60754, 65680, 66896, 82100, 83620, 92773, 104525, 121508, 151885, 164200, 167240, 185546, 209050, 243016, 303770, 328400, 334480, 371092, 418100, 463865, 486032, 607540, 742184, 759425, 836200, 927730, 1215080, 1484368, 1518850, 1672400, 1855460, 2319325, 2430160, 3037700, 3432601, 3710920, 4638650, 6075400, 6865202, 7421840, 9277300, 12150800, 13730404, 17163005, 18554600, 27460808, 34326010, 37109200, 54921616, 68652020, 85815025, 137304040, 171630050, 274608080, 343260100, 686520200, 1373040400]

約数ペア:

[(1, 1373040400), (2, 686520200), (4, 343260100), (5, 274608080), (8, 171630050), (10, 137304040), (16, 85815025), (20, 68652020), (25, 54921616), (37, 37109200), (40, 34326010), (50, 27460808), (74, 18554600), (80, 17163005), (100, 13730404), (113, 12150800), (148, 9277300), (185, 7421840), (200, 6865202), (226, 6075400), (296, 4638650), (370, 3710920), (400, 3432601), (452, 3037700), (565, 2430160), (592, 2319325), (740, 1855460), (821, 1672400), (904, 1518850), (925, 1484368), (1130, 1215080), (1480, 927730), (1642, 836200), (1808, 759425), (1850, 742184), (2260, 607540), (2825, 486032), (2960, 463865), (3284, 418100), (3700, 371092), (4105, 334480), (4181, 328400), (4520, 303770), (5650, 243016), (6568, 209050), (7400, 185546), (8210, 167240), (8362, 164200), (9040, 151885), (11300, 121508), (13136, 104525), (14800, 92773), (16420, 83620), (16724, 82100), (20525, 66896), (20905, 65680), (22600, 60754), (30377, 45200), (32840, 41810), (33448, 41050)]