1845740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 4327680

約数和(自身を除く): 2481940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 229, 260, 310, 403, 458, 620, 806, 916, 1145, 1612, 2015, 2290, 2977, 4030, 4580, 5954, 7099, 8060, 11908, 14198, 14885, 28396, 29770, 35495, 59540, 70990, 92287, 141980, 184574, 369148, 461435, 922870, 1845740]

約数ペア:

[(1, 1845740), (2, 922870), (4, 461435), (5, 369148), (10, 184574), (13, 141980), (20, 92287), (26, 70990), (31, 59540), (52, 35495), (62, 29770), (65, 28396), (124, 14885), (130, 14198), (155, 11908), (229, 8060), (260, 7099), (310, 5954), (403, 4580), (458, 4030), (620, 2977), (806, 2290), (916, 2015), (1145, 1612)]