401023160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2179}}^1$

素因数の和:2340

約数の個数: 64

約数和(自身を含む): 932342400

約数和(自身を除く): 531319240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 856, 860, 1070, 1720, 2140, 2179, 4280, 4358, 4601, 8716, 9202, 10895, 17432, 18404, 21790, 23005, 36808, 43580, 46010, 87160, 92020, 93697, 184040, 187394, 233153, 374788, 466306, 468485, 749576, 932612, 936970, 1165765, 1865224, 1873940, 2331530, 3747880, 4663060, 9326120, 10025579, 20051158, 40102316, 50127895, 80204632, 100255790, 200511580, 401023160]

約数ペア:

[(1, 401023160), (2, 200511580), (4, 100255790), (5, 80204632), (8, 50127895), (10, 40102316), (20, 20051158), (40, 10025579), (43, 9326120), (86, 4663060), (107, 3747880), (172, 2331530), (214, 1873940), (215, 1865224), (344, 1165765), (428, 936970), (430, 932612), (535, 749576), (856, 468485), (860, 466306), (1070, 374788), (1720, 233153), (2140, 187394), (2179, 184040), (4280, 93697), (4358, 92020), (4601, 87160), (8716, 46010), (9202, 43580), (10895, 36808), (17432, 23005), (18404, 21790)]