2021462680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{3779}}^1$

素因数の和:4144

約数の個数: 64

約数和(自身を含む): 4670265600

約数和(自身を除く): 2648802920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 311, 344, 430, 622, 860, 1244, 1555, 1720, 2488, 3110, 3779, 6220, 7558, 12440, 13373, 15116, 18895, 26746, 30232, 37790, 53492, 66865, 75580, 106984, 133730, 151160, 162497, 267460, 324994, 534920, 649988, 812485, 1175269, 1299976, 1624970, 2350538, 3249940, 4701076, 5876345, 6499880, 9402152, 11752690, 23505380, 47010760, 50536567, 101073134, 202146268, 252682835, 404292536, 505365670, 1010731340, 2021462680]

約数ペア:

[(1, 2021462680), (2, 1010731340), (4, 505365670), (5, 404292536), (8, 252682835), (10, 202146268), (20, 101073134), (40, 50536567), (43, 47010760), (86, 23505380), (172, 11752690), (215, 9402152), (311, 6499880), (344, 5876345), (430, 4701076), (622, 3249940), (860, 2350538), (1244, 1624970), (1555, 1299976), (1720, 1175269), (2488, 812485), (3110, 649988), (3779, 534920), (6220, 324994), (7558, 267460), (12440, 162497), (13373, 151160), (15116, 133730), (18895, 106984), (26746, 75580), (30232, 66865), (37790, 53492)]