897884330620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{307}}^1\times {\mathrm{86993}}^1$

素因数の和:87391

約数の個数: 72

約数和(自身を含む): 1938985603632

約数和(自身を除く): 1041101273012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 307, 410, 614, 820, 1228, 1535, 1681, 3070, 3362, 6140, 6724, 8405, 12587, 16810, 25174, 33620, 50348, 62935, 86993, 125870, 173986, 251740, 347972, 434965, 516067, 869930, 1032134, 1739860, 2064268, 2580335, 3566713, 5160670, 7133426, 10321340, 14266852, 17833565, 26706851, 35667130, 53413702, 71334260, 106827404, 133534255, 146235233, 267068510, 292470466, 534137020, 584940932, 731176165, 1094980891, 1462352330, 2189961782, 2924704660, 4379923564, 5474904455, 10949808910, 21899617820, 44894216531, 89788433062, 179576866124, 224471082655, 448942165310, 897884330620]

約数ペア:

[(1, 897884330620), (2, 448942165310), (4, 224471082655), (5, 179576866124), (10, 89788433062), (20, 44894216531), (41, 21899617820), (82, 10949808910), (164, 5474904455), (205, 4379923564), (307, 2924704660), (410, 2189961782), (614, 1462352330), (820, 1094980891), (1228, 731176165), (1535, 584940932), (1681, 534137020), (3070, 292470466), (3362, 267068510), (6140, 146235233), (6724, 133534255), (8405, 106827404), (12587, 71334260), (16810, 53413702), (25174, 35667130), (33620, 26706851), (50348, 17833565), (62935, 14266852), (86993, 10321340), (125870, 7133426), (173986, 5160670), (251740, 3566713), (347972, 2580335), (434965, 2064268), (516067, 1739860), (869930, 1032134)]