2019401780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{539947}}^1$

素因数の和:539984

約数の個数: 48

約数和(自身を含む): 4898408256

約数和(自身を除く): 2879006476

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, 539947, 1079894, 2159788, 2699735, 5399470, 5939417, 9179099, 10798940, 11878834, 18358198, 23757668, 29697085, 36716396, 45895495, 59394170, 91790990, 100970089, 118788340, 183581980, 201940178, 403880356, 504850445, 1009700890, 2019401780]

約数ペア:

[(1, 2019401780), (2, 1009700890), (4, 504850445), (5, 403880356), (10, 201940178), (11, 183581980), (17, 118788340), (20, 100970089), (22, 91790990), (34, 59394170), (44, 45895495), (55, 36716396), (68, 29697085), (85, 23757668), (110, 18358198), (170, 11878834), (187, 10798940), (220, 9179099), (340, 5939417), (374, 5399470), (748, 2699735), (935, 2159788), (1870, 1079894), (3740, 539947)]