89837720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4519}}^1$

素因数の和:4608

約数の個数: 64

約数和(自身を含む): 234316800

約数和(自身を除く): 144479080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4519, 4970, 9038, 9940, 18076, 19880, 22595, 31633, 36152, 45190, 63266, 90380, 126532, 158165, 180760, 253064, 316330, 320849, 632660, 641698, 1265320, 1283396, 1604245, 2245943, 2566792, 3208490, 4491886, 6416980, 8983772, 11229715, 12833960, 17967544, 22459430, 44918860, 89837720]

約数ペア:

[(1, 89837720), (2, 44918860), (4, 22459430), (5, 17967544), (7, 12833960), (8, 11229715), (10, 8983772), (14, 6416980), (20, 4491886), (28, 3208490), (35, 2566792), (40, 2245943), (56, 1604245), (70, 1283396), (71, 1265320), (140, 641698), (142, 632660), (280, 320849), (284, 316330), (355, 253064), (497, 180760), (568, 158165), (710, 126532), (994, 90380), (1420, 63266), (1988, 45190), (2485, 36152), (2840, 31633), (3976, 22595), (4519, 19880), (4970, 18076), (9038, 9940)]