2857580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 6773760

約数和(自身を除く): 3916180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 419, 620, 682, 838, 1364, 1676, 1705, 2095, 3410, 4190, 4609, 6820, 8380, 9218, 12989, 18436, 23045, 25978, 46090, 51956, 64945, 92180, 129890, 142879, 259780, 285758, 571516, 714395, 1428790, 2857580]

約数ペア:

[(1, 2857580), (2, 1428790), (4, 714395), (5, 571516), (10, 285758), (11, 259780), (20, 142879), (22, 129890), (31, 92180), (44, 64945), (55, 51956), (62, 46090), (110, 25978), (124, 23045), (155, 18436), (220, 12989), (310, 9218), (341, 8380), (419, 6820), (620, 4609), (682, 4190), (838, 3410), (1364, 2095), (1676, 1705)]