140642908

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 291852288

約数和(自身を除く): 151209380

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 311, 434, 521, 622, 868, 1042, 1244, 2084, 2177, 3647, 4354, 7294, 8708, 9641, 14588, 16151, 19282, 32302, 38564, 64604, 67487, 113057, 134974, 162031, 226114, 269948, 324062, 452228, 648124, 1134217, 2268434, 4536868, 5022961, 10045922, 20091844, 35160727, 70321454, 140642908]

約数ペア:

[(1, 140642908), (2, 70321454), (4, 35160727), (7, 20091844), (14, 10045922), (28, 5022961), (31, 4536868), (62, 2268434), (124, 1134217), (217, 648124), (311, 452228), (434, 324062), (521, 269948), (622, 226114), (868, 162031), (1042, 134974), (1244, 113057), (2084, 67487), (2177, 64604), (3647, 38564), (4354, 32302), (7294, 19282), (8708, 16151), (9641, 14588)]