102401740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4909}}^1$

素因数の和:5074

約数の個数: 48

約数和(自身を含む): 247464000

約数和(自身を除く): 145062260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 4909, 5215, 9818, 10430, 19636, 20860, 24545, 34363, 49090, 68726, 98180, 137452, 171815, 343630, 687260, 731441, 1462882, 2925764, 3657205, 5120087, 7314410, 10240174, 14628820, 20480348, 25600435, 51200870, 102401740]

約数ペア:

[(1, 102401740), (2, 51200870), (4, 25600435), (5, 20480348), (7, 14628820), (10, 10240174), (14, 7314410), (20, 5120087), (28, 3657205), (35, 2925764), (70, 1462882), (140, 731441), (149, 687260), (298, 343630), (596, 171815), (745, 137452), (1043, 98180), (1490, 68726), (2086, 49090), (2980, 34363), (4172, 24545), (4909, 20860), (5215, 19636), (9818, 10430)]