258219920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1979}}^1$

素因数の和:2232

約数の個数: 80

約数和(自身を含む): 689420160

約数和(自身を除く): 431200240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 932, 1165, 1631, 1864, 1979, 2330, 3262, 3728, 3958, 4660, 6524, 7916, 8155, 9320, 9895, 13048, 13853, 15832, 16310, 18640, 19790, 26096, 27706, 31664, 32620, 39580, 55412, 65240, 69265, 79160, 110824, 130480, 138530, 158320, 221648, 277060, 461107, 554120, 922214, 1108240, 1844428, 2305535, 3227749, 3688856, 4611070, 6455498, 7377712, 9222140, 12910996, 16138745, 18444280, 25821992, 32277490, 36888560, 51643984, 64554980, 129109960, 258219920]

約数ペア:

[(1, 258219920), (2, 129109960), (4, 64554980), (5, 51643984), (7, 36888560), (8, 32277490), (10, 25821992), (14, 18444280), (16, 16138745), (20, 12910996), (28, 9222140), (35, 7377712), (40, 6455498), (56, 4611070), (70, 3688856), (80, 3227749), (112, 2305535), (140, 1844428), (233, 1108240), (280, 922214), (466, 554120), (560, 461107), (932, 277060), (1165, 221648), (1631, 158320), (1864, 138530), (1979, 130480), (2330, 110824), (3262, 79160), (3728, 69265), (3958, 65240), (4660, 55412), (6524, 39580), (7916, 32620), (8155, 31664), (9320, 27706), (9895, 26096), (13048, 19790), (13853, 18640), (15832, 16310)]