84508790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 164989440

約数和(自身を除く): 80480650

約数列:

[1, 2, 5, 10, 31, 41, 61, 62, 82, 109, 122, 155, 205, 218, 305, 310, 410, 545, 610, 1090, 1271, 1891, 2501, 2542, 3379, 3782, 4469, 5002, 6355, 6649, 6758, 8938, 9455, 12505, 12710, 13298, 16895, 18910, 22345, 25010, 33245, 33790, 44690, 66490, 77531, 138539, 155062, 206119, 272609, 277078, 387655, 412238, 545218, 692695, 775310, 1030595, 1363045, 1385390, 2061190, 2726090, 8450879, 16901758, 42254395, 84508790]

約数ペア:

[(1, 84508790), (2, 42254395), (5, 16901758), (10, 8450879), (31, 2726090), (41, 2061190), (61, 1385390), (62, 1363045), (82, 1030595), (109, 775310), (122, 692695), (155, 545218), (205, 412238), (218, 387655), (305, 277078), (310, 272609), (410, 206119), (545, 155062), (610, 138539), (1090, 77531), (1271, 66490), (1891, 44690), (2501, 33790), (2542, 33245), (3379, 25010), (3782, 22345), (4469, 18910), (5002, 16895), (6355, 13298), (6649, 12710), (6758, 12505), (8938, 9455)]