16757620

素因数分解:

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

素因数の和:269

約数の個数: 72

約数和(自身を含む): 40709088

約数和(自身を除く): 23951468

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 211, 220, 361, 380, 418, 422, 722, 836, 844, 1045, 1055, 1444, 1805, 2090, 2110, 2321, 3610, 3971, 4009, 4180, 4220, 4642, 7220, 7942, 8018, 9284, 11605, 15884, 16036, 19855, 20045, 23210, 39710, 40090, 44099, 46420, 76171, 79420, 80180, 88198, 152342, 176396, 220495, 304684, 380855, 440990, 761710, 837881, 881980, 1523420, 1675762, 3351524, 4189405, 8378810, 16757620]

約数ペア:

[(1, 16757620), (2, 8378810), (4, 4189405), (5, 3351524), (10, 1675762), (11, 1523420), (19, 881980), (20, 837881), (22, 761710), (38, 440990), (44, 380855), (55, 304684), (76, 220495), (95, 176396), (110, 152342), (190, 88198), (209, 80180), (211, 79420), (220, 76171), (361, 46420), (380, 44099), (418, 40090), (422, 39710), (722, 23210), (836, 20045), (844, 19855), (1045, 16036), (1055, 15884), (1444, 11605), (1805, 9284), (2090, 8018), (2110, 7942), (2321, 7220), (3610, 4642), (3971, 4220), (4009, 4180)]