997675690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2099}}^1$

素因数の和:2295

約数の個数: 64

約数和(自身を含む): 2041200000

約数和(自身を除く): 1043524310

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 149, 290, 298, 319, 638, 745, 1490, 1595, 1639, 2099, 3190, 3278, 4198, 4321, 8195, 8642, 10495, 16390, 20990, 21605, 23089, 43210, 46178, 47531, 60871, 95062, 115445, 121742, 230890, 237655, 304355, 312751, 475310, 608710, 625502, 669581, 1339162, 1563755, 3127510, 3347905, 3440261, 6695810, 6880522, 9069779, 17201305, 18139558, 34402610, 45348895, 90697790, 99767569, 199535138, 498837845, 997675690]

約数ペア:

[(1, 997675690), (2, 498837845), (5, 199535138), (10, 99767569), (11, 90697790), (22, 45348895), (29, 34402610), (55, 18139558), (58, 17201305), (110, 9069779), (145, 6880522), (149, 6695810), (290, 3440261), (298, 3347905), (319, 3127510), (638, 1563755), (745, 1339162), (1490, 669581), (1595, 625502), (1639, 608710), (2099, 475310), (3190, 312751), (3278, 304355), (4198, 237655), (4321, 230890), (8195, 121742), (8642, 115445), (10495, 95062), (16390, 60871), (20990, 47531), (21605, 46178), (23089, 43210)]