30380020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8123}}^1$

素因数の和:8160

約数の個数: 48

約数和(自身を含む): 73700928

約数和(自身を除く): 43320908

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, 8123, 16246, 32492, 40615, 81230, 89353, 138091, 162460, 178706, 276182, 357412, 446765, 552364, 690455, 893530, 1380910, 1519001, 1787060, 2761820, 3038002, 6076004, 7595005, 15190010, 30380020]

約数ペア:

[(1, 30380020), (2, 15190010), (4, 7595005), (5, 6076004), (10, 3038002), (11, 2761820), (17, 1787060), (20, 1519001), (22, 1380910), (34, 893530), (44, 690455), (55, 552364), (68, 446765), (85, 357412), (110, 276182), (170, 178706), (187, 162460), (220, 138091), (340, 89353), (374, 81230), (748, 40615), (935, 32492), (1870, 16246), (3740, 8123)]