290381886

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 658412040

約数和(自身を除く): 368030154

約数列:

[1, 2, 3, 6, 9, 18, 47, 67, 94, 109, 134, 141, 201, 218, 282, 327, 402, 423, 603, 654, 846, 981, 1206, 1962, 2209, 3149, 4418, 5123, 6298, 6627, 7303, 9447, 10246, 13254, 14606, 15369, 18894, 19881, 21909, 28341, 30738, 39762, 43818, 46107, 56682, 65727, 92214, 131454, 148003, 240781, 296006, 343241, 444009, 481562, 686482, 722343, 888018, 1029723, 1332027, 1444686, 2059446, 2167029, 2664054, 3089169, 4334058, 6178338, 16132327, 32264654, 48396981, 96793962, 145190943, 290381886]

約数ペア:

[(1, 290381886), (2, 145190943), (3, 96793962), (6, 48396981), (9, 32264654), (18, 16132327), (47, 6178338), (67, 4334058), (94, 3089169), (109, 2664054), (134, 2167029), (141, 2059446), (201, 1444686), (218, 1332027), (282, 1029723), (327, 888018), (402, 722343), (423, 686482), (603, 481562), (654, 444009), (846, 343241), (981, 296006), (1206, 240781), (1962, 148003), (2209, 131454), (3149, 92214), (4418, 65727), (5123, 56682), (6298, 46107), (6627, 43818), (7303, 39762), (9447, 30738), (10246, 28341), (13254, 21909), (14606, 19881), (15369, 18894)]