199954847240

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1861}}^1\times {\mathrm{11239}}^1$

素因数の和:13350

約数の個数: 64

約数和(自身を含む): 452063808000

約数和(自身を除く): 252108960760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1861, 1912, 2390, 3722, 4780, 7444, 9305, 9560, 11239, 14888, 18610, 22478, 37220, 44956, 56195, 74440, 89912, 112390, 224780, 444779, 449560, 889558, 1779116, 2223895, 2686121, 3558232, 4447790, 5372242, 8895580, 10744484, 13430605, 17791160, 20915779, 21488968, 26861210, 41831558, 53722420, 83663116, 104578895, 107444840, 167326232, 209157790, 418315580, 836631160, 4998871181, 9997742362, 19995484724, 24994355905, 39990969448, 49988711810, 99977423620, 199954847240]

約数ペア:

[(1, 199954847240), (2, 99977423620), (4, 49988711810), (5, 39990969448), (8, 24994355905), (10, 19995484724), (20, 9997742362), (40, 4998871181), (239, 836631160), (478, 418315580), (956, 209157790), (1195, 167326232), (1861, 107444840), (1912, 104578895), (2390, 83663116), (3722, 53722420), (4780, 41831558), (7444, 26861210), (9305, 21488968), (9560, 20915779), (11239, 17791160), (14888, 13430605), (18610, 10744484), (22478, 8895580), (37220, 5372242), (44956, 4447790), (56195, 3558232), (74440, 2686121), (89912, 2223895), (112390, 1779116), (224780, 889558), (444779, 449560)]