2697620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 6182400

約数和(自身を除く): 3484780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 229, 310, 380, 458, 589, 620, 916, 1145, 1178, 2290, 2356, 2945, 4351, 4580, 5890, 7099, 8702, 11780, 14198, 17404, 21755, 28396, 35495, 43510, 70990, 87020, 134881, 141980, 269762, 539524, 674405, 1348810, 2697620]

約数ペア:

[(1, 2697620), (2, 1348810), (4, 674405), (5, 539524), (10, 269762), (19, 141980), (20, 134881), (31, 87020), (38, 70990), (62, 43510), (76, 35495), (95, 28396), (124, 21755), (155, 17404), (190, 14198), (229, 11780), (310, 8702), (380, 7099), (458, 5890), (589, 4580), (620, 4351), (916, 2945), (1145, 2356), (1178, 2290)]