31050040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 80429760

約数和(自身を除く): 49379720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 641, 692, 865, 1211, 1282, 1384, 1730, 2422, 2564, 3205, 3460, 4487, 4844, 5128, 6055, 6410, 6920, 8974, 9688, 12110, 12820, 17948, 22435, 24220, 25640, 35896, 44870, 48440, 89740, 110893, 179480, 221786, 443572, 554465, 776251, 887144, 1108930, 1552502, 2217860, 3105004, 3881255, 4435720, 6210008, 7762510, 15525020, 31050040]

約数ペア:

[(1, 31050040), (2, 15525020), (4, 7762510), (5, 6210008), (7, 4435720), (8, 3881255), (10, 3105004), (14, 2217860), (20, 1552502), (28, 1108930), (35, 887144), (40, 776251), (56, 554465), (70, 443572), (140, 221786), (173, 179480), (280, 110893), (346, 89740), (641, 48440), (692, 44870), (865, 35896), (1211, 25640), (1282, 24220), (1384, 22435), (1730, 17948), (2422, 12820), (2564, 12110), (3205, 9688), (3460, 8974), (4487, 6920), (4844, 6410), (5128, 6055)]