170155540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{877}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 365072400

約数和(自身を除く): 194916860

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 356, 436, 445, 545, 877, 890, 1090, 1754, 1780, 2180, 3508, 4385, 8770, 9701, 17540, 19402, 38804, 48505, 78053, 95593, 97010, 156106, 191186, 194020, 312212, 382372, 390265, 477965, 780530, 955930, 1561060, 1911860, 8507777, 17015554, 34031108, 42538885, 85077770, 170155540]

約数ペア:

[(1, 170155540), (2, 85077770), (4, 42538885), (5, 34031108), (10, 17015554), (20, 8507777), (89, 1911860), (109, 1561060), (178, 955930), (218, 780530), (356, 477965), (436, 390265), (445, 382372), (545, 312212), (877, 194020), (890, 191186), (1090, 156106), (1754, 97010), (1780, 95593), (2180, 78053), (3508, 48505), (4385, 38804), (8770, 19402), (9701, 17540)]