2485580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 5698560

約数和(自身を除く): 3212980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 211, 310, 380, 422, 589, 620, 844, 1055, 1178, 2110, 2356, 2945, 4009, 4220, 5890, 6541, 8018, 11780, 13082, 16036, 20045, 26164, 32705, 40090, 65410, 80180, 124279, 130820, 248558, 497116, 621395, 1242790, 2485580]

約数ペア:

[(1, 2485580), (2, 1242790), (4, 621395), (5, 497116), (10, 248558), (19, 130820), (20, 124279), (31, 80180), (38, 65410), (62, 40090), (76, 32705), (95, 26164), (124, 20045), (155, 16036), (190, 13082), (211, 11780), (310, 8018), (380, 6541), (422, 5890), (589, 4220), (620, 4009), (844, 2945), (1055, 2356), (1178, 2110)]