90972980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{7829}}^1$

素因数の和:7928

約数の個数: 48

約数和(自身を含む): 220993920

約数和(自身を除く): 130020940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 7829, 11620, 15658, 31316, 39145, 54803, 78290, 109606, 156580, 219212, 274015, 548030, 649807, 1096060, 1299614, 2599228, 3249035, 4548649, 6498070, 9097298, 12996140, 18194596, 22743245, 45486490, 90972980]

約数ペア:

[(1, 90972980), (2, 45486490), (4, 22743245), (5, 18194596), (7, 12996140), (10, 9097298), (14, 6498070), (20, 4548649), (28, 3249035), (35, 2599228), (70, 1299614), (83, 1096060), (140, 649807), (166, 548030), (332, 274015), (415, 219212), (581, 156580), (830, 109606), (1162, 78290), (1660, 54803), (2324, 39145), (2905, 31316), (5810, 15658), (7829, 11620)]