164080400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 435909600

約数和(自身を除く): 271829200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 89, 100, 110, 176, 178, 200, 220, 275, 356, 400, 419, 440, 445, 550, 712, 838, 880, 890, 979, 1100, 1424, 1676, 1780, 1958, 2095, 2200, 2225, 3352, 3560, 3916, 4190, 4400, 4450, 4609, 4895, 6704, 7120, 7832, 8380, 8900, 9218, 9790, 10475, 15664, 16760, 17800, 18436, 19580, 20950, 23045, 24475, 33520, 35600, 36872, 37291, 39160, 41900, 46090, 48950, 73744, 74582, 78320, 83800, 92180, 97900, 115225, 149164, 167600, 184360, 186455, 195800, 230450, 298328, 368720, 372910, 391600, 410201, 460900, 596656, 745820, 820402, 921800, 932275, 1491640, 1640804, 1843600, 1864550, 2051005, 2983280, 3281608, 3729100, 4102010, 6563216, 7458200, 8204020, 10255025, 14916400, 16408040, 20510050, 32816080, 41020100, 82040200, 164080400]

約数ペア:

[(1, 164080400), (2, 82040200), (4, 41020100), (5, 32816080), (8, 20510050), (10, 16408040), (11, 14916400), (16, 10255025), (20, 8204020), (22, 7458200), (25, 6563216), (40, 4102010), (44, 3729100), (50, 3281608), (55, 2983280), (80, 2051005), (88, 1864550), (89, 1843600), (100, 1640804), (110, 1491640), (176, 932275), (178, 921800), (200, 820402), (220, 745820), (275, 596656), (356, 460900), (400, 410201), (419, 391600), (440, 372910), (445, 368720), (550, 298328), (712, 230450), (838, 195800), (880, 186455), (890, 184360), (979, 167600), (1100, 149164), (1424, 115225), (1676, 97900), (1780, 92180), (1958, 83800), (2095, 78320), (2200, 74582), (2225, 73744), (3352, 48950), (3560, 46090), (3916, 41900), (4190, 39160), (4400, 37291), (4450, 36872), (4609, 35600), (4895, 33520), (6704, 24475), (7120, 23045), (7832, 20950), (8380, 19580), (8900, 18436), (9218, 17800), (9790, 16760), (10475, 15664)]