8378810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 17446752

約数和(自身を除く): 9067942

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 211, 361, 418, 422, 722, 1045, 1055, 1805, 2090, 2110, 2321, 3610, 3971, 4009, 4642, 7942, 8018, 11605, 19855, 20045, 23210, 39710, 40090, 44099, 76171, 88198, 152342, 220495, 380855, 440990, 761710, 837881, 1675762, 4189405, 8378810]

約数ペア:

[(1, 8378810), (2, 4189405), (5, 1675762), (10, 837881), (11, 761710), (19, 440990), (22, 380855), (38, 220495), (55, 152342), (95, 88198), (110, 76171), (190, 44099), (209, 40090), (211, 39710), (361, 23210), (418, 20045), (422, 19855), (722, 11605), (1045, 8018), (1055, 7942), (1805, 4642), (2090, 4009), (2110, 3971), (2321, 3610)]