1998010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 4603392

約数和(自身を除く): 2605382

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 73, 85, 115, 119, 146, 161, 170, 230, 238, 322, 365, 391, 511, 595, 730, 782, 805, 1022, 1190, 1241, 1610, 1679, 1955, 2482, 2555, 2737, 3358, 3910, 5110, 5474, 6205, 8395, 8687, 11753, 12410, 13685, 16790, 17374, 23506, 27370, 28543, 43435, 57086, 58765, 86870, 117530, 142715, 199801, 285430, 399602, 999005, 1998010]

約数ペア:

[(1, 1998010), (2, 999005), (5, 399602), (7, 285430), (10, 199801), (14, 142715), (17, 117530), (23, 86870), (34, 58765), (35, 57086), (46, 43435), (70, 28543), (73, 27370), (85, 23506), (115, 17374), (119, 16790), (146, 13685), (161, 12410), (170, 11753), (230, 8687), (238, 8395), (322, 6205), (365, 5474), (391, 5110), (511, 3910), (595, 3358), (730, 2737), (782, 2555), (805, 2482), (1022, 1955), (1190, 1679), (1241, 1610)]