400988688

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1392

約数の個数: 80

約数和(自身を含む): 1062182016

約数和(自身を除く): 661193328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 97, 142, 194, 213, 284, 291, 388, 426, 568, 582, 776, 852, 1136, 1164, 1213, 1552, 1704, 2328, 2426, 3408, 3639, 4656, 4852, 6887, 7278, 9704, 13774, 14556, 19408, 20661, 27548, 29112, 41322, 55096, 58224, 82644, 86123, 110192, 117661, 165288, 172246, 235322, 258369, 330576, 344492, 352983, 470644, 516738, 688984, 705966, 941288, 1033476, 1377968, 1411932, 1882576, 2066952, 2823864, 4133904, 5647728, 8353931, 16707862, 25061793, 33415724, 50123586, 66831448, 100247172, 133662896, 200494344, 400988688]

約数ペア:

[(1, 400988688), (2, 200494344), (3, 133662896), (4, 100247172), (6, 66831448), (8, 50123586), (12, 33415724), (16, 25061793), (24, 16707862), (48, 8353931), (71, 5647728), (97, 4133904), (142, 2823864), (194, 2066952), (213, 1882576), (284, 1411932), (291, 1377968), (388, 1033476), (426, 941288), (568, 705966), (582, 688984), (776, 516738), (852, 470644), (1136, 352983), (1164, 344492), (1213, 330576), (1552, 258369), (1704, 235322), (2328, 172246), (2426, 165288), (3408, 117661), (3639, 110192), (4656, 86123), (4852, 82644), (6887, 58224), (7278, 55096), (9704, 41322), (13774, 29112), (14556, 27548), (19408, 20661)]