3131240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 8242560

約数和(自身を除く): 5111320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 211, 212, 265, 280, 371, 422, 424, 530, 742, 844, 1055, 1060, 1477, 1484, 1688, 1855, 2110, 2120, 2954, 2968, 3710, 4220, 5908, 7385, 7420, 8440, 11183, 11816, 14770, 14840, 22366, 29540, 44732, 55915, 59080, 78281, 89464, 111830, 156562, 223660, 313124, 391405, 447320, 626248, 782810, 1565620, 3131240]

約数ペア:

[(1, 3131240), (2, 1565620), (4, 782810), (5, 626248), (7, 447320), (8, 391405), (10, 313124), (14, 223660), (20, 156562), (28, 111830), (35, 89464), (40, 78281), (53, 59080), (56, 55915), (70, 44732), (106, 29540), (140, 22366), (211, 14840), (212, 14770), (265, 11816), (280, 11183), (371, 8440), (422, 7420), (424, 7385), (530, 5908), (742, 4220), (844, 3710), (1055, 2968), (1060, 2954), (1477, 2120), (1484, 2110), (1688, 1855)]