153947300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 364560000

約数和(自身を除く): 210612700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 316, 325, 395, 650, 790, 1027, 1300, 1499, 1580, 1975, 2054, 2998, 3950, 4108, 5135, 5996, 7495, 7900, 10270, 14990, 19487, 20540, 25675, 29980, 37475, 38974, 51350, 74950, 77948, 97435, 102700, 118421, 149900, 194870, 236842, 389740, 473684, 487175, 592105, 974350, 1184210, 1539473, 1948700, 2368420, 2960525, 3078946, 5921050, 6157892, 7697365, 11842100, 15394730, 30789460, 38486825, 76973650, 153947300]

約数ペア:

[(1, 153947300), (2, 76973650), (4, 38486825), (5, 30789460), (10, 15394730), (13, 11842100), (20, 7697365), (25, 6157892), (26, 5921050), (50, 3078946), (52, 2960525), (65, 2368420), (79, 1948700), (100, 1539473), (130, 1184210), (158, 974350), (260, 592105), (316, 487175), (325, 473684), (395, 389740), (650, 236842), (790, 194870), (1027, 149900), (1300, 118421), (1499, 102700), (1580, 97435), (1975, 77948), (2054, 74950), (2998, 51350), (3950, 38974), (4108, 37475), (5135, 29980), (5996, 25675), (7495, 20540), (7900, 19487), (10270, 14990)]