84350120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 204724800

約数和(自身を除く): 120374680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 2707, 3116, 3895, 5414, 6232, 7790, 10828, 13535, 15580, 21656, 27070, 31160, 51433, 54140, 102866, 108280, 110987, 205732, 221974, 257165, 411464, 443948, 514330, 554935, 887896, 1028660, 1109870, 2057320, 2108753, 2219740, 4217506, 4439480, 8435012, 10543765, 16870024, 21087530, 42175060, 84350120]

約数ペア:

[(1, 84350120), (2, 42175060), (4, 21087530), (5, 16870024), (8, 10543765), (10, 8435012), (19, 4439480), (20, 4217506), (38, 2219740), (40, 2108753), (41, 2057320), (76, 1109870), (82, 1028660), (95, 887896), (152, 554935), (164, 514330), (190, 443948), (205, 411464), (328, 257165), (380, 221974), (410, 205732), (760, 110987), (779, 108280), (820, 102866), (1558, 54140), (1640, 51433), (2707, 31160), (3116, 27070), (3895, 21656), (5414, 15580), (6232, 13535), (7790, 10828)]