91401620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2671}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 202003200

約数和(自身を除く): 110601580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 116, 118, 145, 236, 290, 295, 580, 590, 1180, 1711, 2671, 3422, 5342, 6844, 8555, 10684, 13355, 17110, 26710, 34220, 53420, 77459, 154918, 157589, 309836, 315178, 387295, 630356, 774590, 787945, 1549180, 1575890, 3151780, 4570081, 9140162, 18280324, 22850405, 45700810, 91401620]

約数ペア:

[(1, 91401620), (2, 45700810), (4, 22850405), (5, 18280324), (10, 9140162), (20, 4570081), (29, 3151780), (58, 1575890), (59, 1549180), (116, 787945), (118, 774590), (145, 630356), (236, 387295), (290, 315178), (295, 309836), (580, 157589), (590, 154918), (1180, 77459), (1711, 53420), (2671, 34220), (3422, 26710), (5342, 17110), (6844, 13355), (8555, 10684)]