69457900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 159833520

約数和(自身を除く): 90375620

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 43, 50, 58, 86, 100, 116, 145, 172, 215, 290, 430, 557, 580, 725, 860, 1075, 1114, 1247, 1450, 2150, 2228, 2494, 2785, 2900, 4300, 4988, 5570, 6235, 11140, 12470, 13925, 16153, 23951, 24940, 27850, 31175, 32306, 47902, 55700, 62350, 64612, 80765, 95804, 119755, 124700, 161530, 239510, 323060, 403825, 479020, 598775, 694579, 807650, 1197550, 1389158, 1615300, 2395100, 2778316, 3472895, 6945790, 13891580, 17364475, 34728950, 69457900]

約数ペア:

[(1, 69457900), (2, 34728950), (4, 17364475), (5, 13891580), (10, 6945790), (20, 3472895), (25, 2778316), (29, 2395100), (43, 1615300), (50, 1389158), (58, 1197550), (86, 807650), (100, 694579), (116, 598775), (145, 479020), (172, 403825), (215, 323060), (290, 239510), (430, 161530), (557, 124700), (580, 119755), (725, 95804), (860, 80765), (1075, 64612), (1114, 62350), (1247, 55700), (1450, 47902), (2150, 32306), (2228, 31175), (2494, 27850), (2785, 24940), (2900, 23951), (4300, 16153), (4988, 13925), (5570, 12470), (6235, 11140)]