643708940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{479}}^1$

素因数の和:855

約数の個数: 96

約数和(自身を含む): 1606348800

約数和(自身を除く): 962639860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 331, 406, 479, 580, 662, 812, 958, 1015, 1324, 1655, 1916, 2030, 2317, 2395, 3310, 3353, 4060, 4634, 4790, 6620, 6706, 9268, 9580, 9599, 11585, 13412, 13891, 16765, 19198, 23170, 27782, 33530, 38396, 46340, 47995, 55564, 67060, 67193, 69455, 95990, 97237, 134386, 138910, 158549, 191980, 194474, 268772, 277820, 317098, 335965, 388948, 486185, 634196, 671930, 792745, 972370, 1109843, 1343860, 1585490, 1944740, 2219686, 3170980, 4439372, 4597921, 5549215, 9195842, 11098430, 18391684, 22196860, 22989605, 32185447, 45979210, 64370894, 91958420, 128741788, 160927235, 321854470, 643708940]

約数ペア:

[(1, 643708940), (2, 321854470), (4, 160927235), (5, 128741788), (7, 91958420), (10, 64370894), (14, 45979210), (20, 32185447), (28, 22989605), (29, 22196860), (35, 18391684), (58, 11098430), (70, 9195842), (116, 5549215), (140, 4597921), (145, 4439372), (203, 3170980), (290, 2219686), (331, 1944740), (406, 1585490), (479, 1343860), (580, 1109843), (662, 972370), (812, 792745), (958, 671930), (1015, 634196), (1324, 486185), (1655, 388948), (1916, 335965), (2030, 317098), (2317, 277820), (2395, 268772), (3310, 194474), (3353, 191980), (4060, 158549), (4634, 138910), (4790, 134386), (6620, 97237), (6706, 95990), (9268, 69455), (9580, 67193), (9599, 67060), (11585, 55564), (13412, 47995), (13891, 46340), (16765, 38396), (19198, 33530), (23170, 27782)]