521309060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{6737}}^1$

素因数の和:6872

約数の個数: 48

約数和(自身を含む): 1130852016

約数和(自身を除く): 609542956

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 1060, 1460, 3869, 6737, 7738, 13474, 15476, 19345, 26948, 33685, 38690, 67370, 77380, 134740, 357061, 491801, 714122, 983602, 1428244, 1785305, 1967204, 2459005, 3570610, 4918010, 7141220, 9836020, 26065453, 52130906, 104261812, 130327265, 260654530, 521309060]

約数ペア:

[(1, 521309060), (2, 260654530), (4, 130327265), (5, 104261812), (10, 52130906), (20, 26065453), (53, 9836020), (73, 7141220), (106, 4918010), (146, 3570610), (212, 2459005), (265, 1967204), (292, 1785305), (365, 1428244), (530, 983602), (730, 714122), (1060, 491801), (1460, 357061), (3869, 134740), (6737, 77380), (7738, 67370), (13474, 38690), (15476, 33685), (19345, 26948)]