71657900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 162083376

約数和(自身を除く): 90425476

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 107, 148, 181, 185, 214, 362, 370, 428, 535, 724, 740, 905, 925, 1070, 1810, 1850, 2140, 2675, 3620, 3700, 3959, 4525, 5350, 6697, 7918, 9050, 10700, 13394, 15836, 18100, 19367, 19795, 26788, 33485, 38734, 39590, 66970, 77468, 79180, 96835, 98975, 133940, 167425, 193670, 197950, 334850, 387340, 395900, 484175, 669700, 716579, 968350, 1433158, 1936700, 2866316, 3582895, 7165790, 14331580, 17914475, 35828950, 71657900]

約数ペア:

[(1, 71657900), (2, 35828950), (4, 17914475), (5, 14331580), (10, 7165790), (20, 3582895), (25, 2866316), (37, 1936700), (50, 1433158), (74, 968350), (100, 716579), (107, 669700), (148, 484175), (181, 395900), (185, 387340), (214, 334850), (362, 197950), (370, 193670), (428, 167425), (535, 133940), (724, 98975), (740, 96835), (905, 79180), (925, 77468), (1070, 66970), (1810, 39590), (1850, 38734), (2140, 33485), (2675, 26788), (3620, 19795), (3700, 19367), (3959, 18100), (4525, 15836), (5350, 13394), (6697, 10700), (7918, 9050)]