78341780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20947}}^1$

素因数の和:20984

約数の個数: 48

約数和(自身を含む): 190040256

約数和(自身を除く): 111698476

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, 20947, 41894, 83788, 104735, 209470, 230417, 356099, 418940, 460834, 712198, 921668, 1152085, 1424396, 1780495, 2304170, 3560990, 3917089, 4608340, 7121980, 7834178, 15668356, 19585445, 39170890, 78341780]

約数ペア:

[(1, 78341780), (2, 39170890), (4, 19585445), (5, 15668356), (10, 7834178), (11, 7121980), (17, 4608340), (20, 3917089), (22, 3560990), (34, 2304170), (44, 1780495), (55, 1424396), (68, 1152085), (85, 921668), (110, 712198), (170, 460834), (187, 418940), (220, 356099), (340, 230417), (374, 209470), (748, 104735), (935, 83788), (1870, 41894), (3740, 20947)]