420202286

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 756306720

約数和(自身を除く): 336104434

約数列:

[1, 2, 7, 14, 29, 58, 89, 178, 203, 401, 406, 623, 802, 841, 1246, 1682, 2581, 2807, 5162, 5614, 5887, 11629, 11774, 18067, 23258, 35689, 36134, 71378, 74849, 81403, 149698, 162806, 249823, 337241, 499646, 523943, 674482, 1034981, 1047886, 2069962, 2360687, 4721374, 7244867, 14489734, 30014449, 60028898, 210101143, 420202286]

約数ペア:

[(1, 420202286), (2, 210101143), (7, 60028898), (14, 30014449), (29, 14489734), (58, 7244867), (89, 4721374), (178, 2360687), (203, 2069962), (401, 1047886), (406, 1034981), (623, 674482), (802, 523943), (841, 499646), (1246, 337241), (1682, 249823), (2581, 162806), (2807, 149698), (5162, 81403), (5614, 74849), (5887, 71378), (11629, 36134), (11774, 35689), (18067, 23258)]