7221365540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{62501}}^1$

素因数の和:62672

約数の個数: 48

約数和(自身を含む): 15592998960

約数和(自身を除く): 8371633420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 265, 436, 530, 545, 1060, 1090, 2180, 5777, 11554, 23108, 28885, 57770, 62501, 115540, 125002, 250004, 312505, 625010, 1250020, 3312553, 6625106, 6812609, 13250212, 13625218, 16562765, 27250436, 33125530, 34063045, 66251060, 68126090, 136252180, 361068277, 722136554, 1444273108, 1805341385, 3610682770, 7221365540]

約数ペア:

[(1, 7221365540), (2, 3610682770), (4, 1805341385), (5, 1444273108), (10, 722136554), (20, 361068277), (53, 136252180), (106, 68126090), (109, 66251060), (212, 34063045), (218, 33125530), (265, 27250436), (436, 16562765), (530, 13625218), (545, 13250212), (1060, 6812609), (1090, 6625106), (2180, 3312553), (5777, 1250020), (11554, 625010), (23108, 312505), (28885, 250004), (57770, 125002), (62501, 115540)]