136178980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1867}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 327632256

約数和(自身を除く): 191453276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 1867, 2084, 2605, 3647, 3734, 5210, 7294, 7468, 9335, 10420, 13069, 14588, 18235, 18670, 26138, 36470, 37340, 52276, 65345, 72940, 130690, 261380, 972707, 1945414, 3890828, 4863535, 6808949, 9727070, 13617898, 19454140, 27235796, 34044745, 68089490, 136178980]

約数ペア:

[(1, 136178980), (2, 68089490), (4, 34044745), (5, 27235796), (7, 19454140), (10, 13617898), (14, 9727070), (20, 6808949), (28, 4863535), (35, 3890828), (70, 1945414), (140, 972707), (521, 261380), (1042, 130690), (1867, 72940), (2084, 65345), (2605, 52276), (3647, 37340), (3734, 36470), (5210, 26138), (7294, 18670), (7468, 18235), (9335, 14588), (10420, 13069)]