526888900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 1179065160

約数和(自身を除く): 652176260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 89, 100, 106, 178, 212, 265, 356, 445, 530, 890, 1060, 1117, 1325, 1780, 2225, 2234, 2650, 4450, 4468, 4717, 5300, 5585, 8900, 9434, 11170, 18868, 22340, 23585, 27925, 47170, 55850, 59201, 94340, 99413, 111700, 117925, 118402, 198826, 235850, 236804, 296005, 397652, 471700, 497065, 592010, 994130, 1184020, 1480025, 1988260, 2485325, 2960050, 4970650, 5268889, 5920100, 9941300, 10537778, 21075556, 26344445, 52688890, 105377780, 131722225, 263444450, 526888900]

約数ペア:

[(1, 526888900), (2, 263444450), (4, 131722225), (5, 105377780), (10, 52688890), (20, 26344445), (25, 21075556), (50, 10537778), (53, 9941300), (89, 5920100), (100, 5268889), (106, 4970650), (178, 2960050), (212, 2485325), (265, 1988260), (356, 1480025), (445, 1184020), (530, 994130), (890, 592010), (1060, 497065), (1117, 471700), (1325, 397652), (1780, 296005), (2225, 236804), (2234, 235850), (2650, 198826), (4450, 118402), (4468, 117925), (4717, 111700), (5300, 99413), (5585, 94340), (8900, 59201), (9434, 55850), (11170, 47170), (18868, 27925), (22340, 23585)]