157413820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 339978240

約数和(自身を除く): 182564420

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 158, 268, 316, 335, 395, 670, 790, 1340, 1487, 1580, 2974, 5293, 5948, 7435, 10586, 14870, 21172, 26465, 29740, 52930, 99629, 105860, 117473, 199258, 234946, 398516, 469892, 498145, 587365, 996290, 1174730, 1992580, 2349460, 7870691, 15741382, 31482764, 39353455, 78706910, 157413820]

約数ペア:

[(1, 157413820), (2, 78706910), (4, 39353455), (5, 31482764), (10, 15741382), (20, 7870691), (67, 2349460), (79, 1992580), (134, 1174730), (158, 996290), (268, 587365), (316, 498145), (335, 469892), (395, 398516), (670, 234946), (790, 199258), (1340, 117473), (1487, 105860), (1580, 99629), (2974, 52930), (5293, 29740), (5948, 26465), (7435, 21172), (10586, 14870)]