2015219690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{231901}}^1$

素因数の和:231998

約数の個数: 32

約数和(自身を含む): 4007266560

約数和(自身を除く): 1992046870

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 231901, 463802, 1159505, 2319010, 2550911, 5101822, 12754555, 18320179, 25509110, 36640358, 91600895, 183201790, 201521969, 403043938, 1007609845, 2015219690]

約数ペア:

[(1, 2015219690), (2, 1007609845), (5, 403043938), (10, 201521969), (11, 183201790), (22, 91600895), (55, 36640358), (79, 25509110), (110, 18320179), (158, 12754555), (395, 5101822), (790, 2550911), (869, 2319010), (1738, 1159505), (4345, 463802), (8690, 231901)]