2217503540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3947}}^1\times {\mathrm{4013}}^1$

素因数の和:7976

約数の個数: 48

約数和(自身を含む): 5324683392

約数和(自身を除く): 3107179852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3947, 4013, 7894, 8026, 15788, 16052, 19735, 20065, 27629, 28091, 39470, 40130, 55258, 56182, 78940, 80260, 110516, 112364, 138145, 140455, 276290, 280910, 552580, 561820, 15839311, 31678622, 63357244, 79196555, 110875177, 158393110, 221750354, 316786220, 443500708, 554375885, 1108751770, 2217503540]

約数ペア:

[(1, 2217503540), (2, 1108751770), (4, 554375885), (5, 443500708), (7, 316786220), (10, 221750354), (14, 158393110), (20, 110875177), (28, 79196555), (35, 63357244), (70, 31678622), (140, 15839311), (3947, 561820), (4013, 552580), (7894, 280910), (8026, 276290), (15788, 140455), (16052, 138145), (19735, 112364), (20065, 110516), (27629, 80260), (28091, 78940), (39470, 56182), (40130, 55258)]