61685020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 137088000

約数和(自身を除く): 75402980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 599, 1084, 1198, 1355, 2396, 2710, 2995, 5149, 5420, 5990, 10298, 11381, 11980, 20596, 22762, 25745, 45524, 51490, 56905, 102980, 113810, 162329, 227620, 324658, 649316, 811645, 1623290, 3084251, 3246580, 6168502, 12337004, 15421255, 30842510, 61685020]

約数ペア:

[(1, 61685020), (2, 30842510), (4, 15421255), (5, 12337004), (10, 6168502), (19, 3246580), (20, 3084251), (38, 1623290), (76, 811645), (95, 649316), (190, 324658), (271, 227620), (380, 162329), (542, 113810), (599, 102980), (1084, 56905), (1198, 51490), (1355, 45524), (2396, 25745), (2710, 22762), (2995, 20596), (5149, 11980), (5420, 11381), (5990, 10298)]