131647460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6311}}^1$

素因数の和:6476

約数の個数: 48

約数和(自身を含む): 318124800

約数和(自身を除く): 186477340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 6311, 10430, 12622, 20860, 25244, 31555, 44177, 63110, 88354, 126220, 176708, 220885, 441770, 883540, 940339, 1880678, 3761356, 4701695, 6582373, 9403390, 13164746, 18806780, 26329492, 32911865, 65823730, 131647460]

約数ペア:

[(1, 131647460), (2, 65823730), (4, 32911865), (5, 26329492), (7, 18806780), (10, 13164746), (14, 9403390), (20, 6582373), (28, 4701695), (35, 3761356), (70, 1880678), (140, 940339), (149, 883540), (298, 441770), (596, 220885), (745, 176708), (1043, 126220), (1490, 88354), (2086, 63110), (2980, 44177), (4172, 31555), (5215, 25244), (6311, 20860), (10430, 12622)]