157055900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 362060160

約数和(自身を除く): 205004260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 380, 475, 524, 631, 655, 950, 1262, 1310, 1900, 2489, 2524, 2620, 3155, 3275, 4978, 6310, 6550, 9956, 11989, 12445, 12620, 13100, 15775, 23978, 24890, 31550, 47956, 49780, 59945, 62225, 63100, 82661, 119890, 124450, 165322, 239780, 248900, 299725, 330644, 413305, 599450, 826610, 1198900, 1570559, 1653220, 2066525, 3141118, 4133050, 6282236, 7852795, 8266100, 15705590, 31411180, 39263975, 78527950, 157055900]

約数ペア:

[(1, 157055900), (2, 78527950), (4, 39263975), (5, 31411180), (10, 15705590), (19, 8266100), (20, 7852795), (25, 6282236), (38, 4133050), (50, 3141118), (76, 2066525), (95, 1653220), (100, 1570559), (131, 1198900), (190, 826610), (262, 599450), (380, 413305), (475, 330644), (524, 299725), (631, 248900), (655, 239780), (950, 165322), (1262, 124450), (1310, 119890), (1900, 82661), (2489, 63100), (2524, 62225), (2620, 59945), (3155, 49780), (3275, 47956), (4978, 31550), (6310, 24890), (6550, 23978), (9956, 15775), (11989, 13100), (12445, 12620)]