198816760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{261601}}^1$

素因数の和:261631

約数の個数: 32

約数和(自身を含む): 470883600

約数和(自身を除く): 272066840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 261601, 523202, 1046404, 1308005, 2092808, 2616010, 4970419, 5232020, 9940838, 10464040, 19881676, 24852095, 39763352, 49704190, 99408380, 198816760]

約数ペア:

[(1, 198816760), (2, 99408380), (4, 49704190), (5, 39763352), (8, 24852095), (10, 19881676), (19, 10464040), (20, 9940838), (38, 5232020), (40, 4970419), (76, 2616010), (95, 2092808), (152, 1308005), (190, 1046404), (380, 523202), (760, 261601)]