137677820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31723}}^1$

素因数の和:31770

約数の個数: 48

約数和(自身を含む): 341096448

約数和(自身を除く): 203418628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 31723, 63446, 126892, 158615, 222061, 317230, 444122, 634460, 888244, 983413, 1110305, 1966826, 2220610, 3933652, 4441220, 4917065, 6883891, 9834130, 13767782, 19668260, 27535564, 34419455, 68838910, 137677820]

約数ペア:

[(1, 137677820), (2, 68838910), (4, 34419455), (5, 27535564), (7, 19668260), (10, 13767782), (14, 9834130), (20, 6883891), (28, 4917065), (31, 4441220), (35, 3933652), (62, 2220610), (70, 1966826), (124, 1110305), (140, 983413), (155, 888244), (217, 634460), (310, 444122), (434, 317230), (620, 222061), (868, 158615), (1085, 126892), (2170, 63446), (4340, 31723)]