821190260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2767}}^1$

素因数の和:2877

約数の個数: 96

約数和(自身を含む): 2008903680

約数和(自身を除く): 1187713420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 190, 209, 220, 284, 355, 380, 418, 710, 781, 836, 1045, 1349, 1420, 1562, 2090, 2698, 2767, 3124, 3905, 4180, 5396, 5534, 6745, 7810, 11068, 13490, 13835, 14839, 15620, 26980, 27670, 29678, 30437, 52573, 55340, 59356, 60874, 74195, 105146, 121748, 148390, 152185, 196457, 210292, 262865, 296780, 304370, 392914, 525730, 578303, 608740, 785828, 982285, 1051460, 1156606, 1964570, 2161027, 2313212, 2891515, 3732683, 3929140, 4322054, 5783030, 7465366, 8644108, 10805135, 11566060, 14930732, 18663415, 21610270, 37326830, 41059513, 43220540, 74653660, 82119026, 164238052, 205297565, 410595130, 821190260]

約数ペア:

[(1, 821190260), (2, 410595130), (4, 205297565), (5, 164238052), (10, 82119026), (11, 74653660), (19, 43220540), (20, 41059513), (22, 37326830), (38, 21610270), (44, 18663415), (55, 14930732), (71, 11566060), (76, 10805135), (95, 8644108), (110, 7465366), (142, 5783030), (190, 4322054), (209, 3929140), (220, 3732683), (284, 2891515), (355, 2313212), (380, 2161027), (418, 1964570), (710, 1156606), (781, 1051460), (836, 982285), (1045, 785828), (1349, 608740), (1420, 578303), (1562, 525730), (2090, 392914), (2698, 304370), (2767, 296780), (3124, 262865), (3905, 210292), (4180, 196457), (5396, 152185), (5534, 148390), (6745, 121748), (7810, 105146), (11068, 74195), (13490, 60874), (13835, 59356), (14839, 55340), (15620, 52573), (26980, 30437), (27670, 29678)]