305371390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{2351}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 568995840

約数和(自身を除く): 263624450

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 419, 838, 2095, 2351, 4190, 4702, 11755, 12989, 23510, 25978, 64945, 72881, 129890, 145762, 364405, 728810, 985069, 1970138, 4925345, 9850690, 30537139, 61074278, 152685695, 305371390]

約数ペア:

[(1, 305371390), (2, 152685695), (5, 61074278), (10, 30537139), (31, 9850690), (62, 4925345), (155, 1970138), (310, 985069), (419, 728810), (838, 364405), (2095, 145762), (2351, 129890), (4190, 72881), (4702, 64945), (11755, 25978), (12989, 23510)]