168994420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1913}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 406441728

約数和(自身を除く): 237447308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 1913, 2524, 3155, 3826, 4417, 6310, 7652, 8834, 9565, 12620, 13391, 17668, 19130, 22085, 26782, 38260, 44170, 53564, 66955, 88340, 133910, 267820, 1207103, 2414206, 4828412, 6035515, 8449721, 12071030, 16899442, 24142060, 33798884, 42248605, 84497210, 168994420]

約数ペア:

[(1, 168994420), (2, 84497210), (4, 42248605), (5, 33798884), (7, 24142060), (10, 16899442), (14, 12071030), (20, 8449721), (28, 6035515), (35, 4828412), (70, 2414206), (140, 1207103), (631, 267820), (1262, 133910), (1913, 88340), (2524, 66955), (3155, 53564), (3826, 44170), (4417, 38260), (6310, 26782), (7652, 22085), (8834, 19130), (9565, 17668), (12620, 13391)]