206219920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135671}}^1$

素因数の和:135703

約数の個数: 40

約数和(自身を含む): 504699840

約数和(自身を除く): 298479920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 135671, 271342, 542684, 678355, 1085368, 1356710, 2170736, 2577749, 2713420, 5155498, 5426840, 10310996, 10853680, 12888745, 20621992, 25777490, 41243984, 51554980, 103109960, 206219920]

約数ペア:

[(1, 206219920), (2, 103109960), (4, 51554980), (5, 41243984), (8, 25777490), (10, 20621992), (16, 12888745), (19, 10853680), (20, 10310996), (38, 5426840), (40, 5155498), (76, 2713420), (80, 2577749), (95, 2170736), (152, 1356710), (190, 1085368), (304, 678355), (380, 542684), (760, 271342), (1520, 135671)]