2878040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 7326720

約数和(自身を除く): 4448680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 211, 220, 248, 310, 341, 422, 440, 620, 682, 844, 1055, 1240, 1364, 1688, 1705, 2110, 2321, 2728, 3410, 4220, 4642, 6541, 6820, 8440, 9284, 11605, 13082, 13640, 18568, 23210, 26164, 32705, 46420, 52328, 65410, 71951, 92840, 130820, 143902, 261640, 287804, 359755, 575608, 719510, 1439020, 2878040]

約数ペア:

[(1, 2878040), (2, 1439020), (4, 719510), (5, 575608), (8, 359755), (10, 287804), (11, 261640), (20, 143902), (22, 130820), (31, 92840), (40, 71951), (44, 65410), (55, 52328), (62, 46420), (88, 32705), (110, 26164), (124, 23210), (155, 18568), (211, 13640), (220, 13082), (248, 11605), (310, 9284), (341, 8440), (422, 6820), (440, 6541), (620, 4642), (682, 4220), (844, 3410), (1055, 2728), (1240, 2321), (1364, 2110), (1688, 1705)]