78581140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21011}}^1$

素因数の和:21048

約数の個数: 48

約数和(自身を含む): 190620864

約数和(自身を除く): 112039724

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21011, 42022, 84044, 105055, 210110, 231121, 357187, 420220, 462242, 714374, 924484, 1155605, 1428748, 1785935, 2311210, 3571870, 3929057, 4622420, 7143740, 7858114, 15716228, 19645285, 39290570, 78581140]

約数ペア:

[(1, 78581140), (2, 39290570), (4, 19645285), (5, 15716228), (10, 7858114), (11, 7143740), (17, 4622420), (20, 3929057), (22, 3571870), (34, 2311210), (44, 1785935), (55, 1428748), (68, 1155605), (85, 924484), (110, 714374), (170, 462242), (187, 420220), (220, 357187), (340, 231121), (374, 210110), (748, 105055), (935, 84044), (1870, 42022), (3740, 21011)]