29974780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 74027520

約数和(自身を除く): 44052740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 101, 110, 142, 190, 202, 209, 220, 284, 355, 380, 404, 418, 505, 710, 781, 836, 1010, 1045, 1111, 1349, 1420, 1562, 1919, 2020, 2090, 2222, 2698, 3124, 3838, 3905, 4180, 4444, 5396, 5555, 6745, 7171, 7676, 7810, 9595, 11110, 13490, 14342, 14839, 15620, 19190, 21109, 22220, 26980, 28684, 29678, 35855, 38380, 42218, 59356, 71710, 74195, 78881, 84436, 105545, 136249, 143420, 148390, 157762, 211090, 272498, 296780, 315524, 394405, 422180, 544996, 681245, 788810, 1362490, 1498739, 1577620, 2724980, 2997478, 5994956, 7493695, 14987390, 29974780]

約数ペア:

[(1, 29974780), (2, 14987390), (4, 7493695), (5, 5994956), (10, 2997478), (11, 2724980), (19, 1577620), (20, 1498739), (22, 1362490), (38, 788810), (44, 681245), (55, 544996), (71, 422180), (76, 394405), (95, 315524), (101, 296780), (110, 272498), (142, 211090), (190, 157762), (202, 148390), (209, 143420), (220, 136249), (284, 105545), (355, 84436), (380, 78881), (404, 74195), (418, 71710), (505, 59356), (710, 42218), (781, 38380), (836, 35855), (1010, 29678), (1045, 28684), (1111, 26980), (1349, 22220), (1420, 21109), (1562, 19190), (1919, 15620), (2020, 14839), (2090, 14342), (2222, 13490), (2698, 11110), (3124, 9595), (3838, 7810), (3905, 7676), (4180, 7171), (4444, 6745), (5396, 5555)]