129541400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{13781}}^1$

素因数の和:13844

約数の個数: 48

約数和(自身を含む): 307614240

約数和(自身を除く): 178072840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2350, 4700, 9400, 13781, 27562, 55124, 68905, 110248, 137810, 275620, 344525, 551240, 647707, 689050, 1295414, 1378100, 2590828, 2756200, 3238535, 5181656, 6477070, 12954140, 16192675, 25908280, 32385350, 64770700, 129541400]

約数ペア:

[(1, 129541400), (2, 64770700), (4, 32385350), (5, 25908280), (8, 16192675), (10, 12954140), (20, 6477070), (25, 5181656), (40, 3238535), (47, 2756200), (50, 2590828), (94, 1378100), (100, 1295414), (188, 689050), (200, 647707), (235, 551240), (376, 344525), (470, 275620), (940, 137810), (1175, 110248), (1880, 68905), (2350, 55124), (4700, 27562), (9400, 13781)]