178642180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1483}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 396406080

約数和(自身を除く): 217763900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 317, 380, 634, 1268, 1483, 1585, 2966, 3170, 5932, 6023, 6340, 7415, 12046, 14830, 24092, 28177, 29660, 30115, 56354, 60230, 112708, 120460, 140885, 281770, 470111, 563540, 940222, 1880444, 2350555, 4701110, 8932109, 9402220, 17864218, 35728436, 44660545, 89321090, 178642180]

約数ペア:

[(1, 178642180), (2, 89321090), (4, 44660545), (5, 35728436), (10, 17864218), (19, 9402220), (20, 8932109), (38, 4701110), (76, 2350555), (95, 1880444), (190, 940222), (317, 563540), (380, 470111), (634, 281770), (1268, 140885), (1483, 120460), (1585, 112708), (2966, 60230), (3170, 56354), (5932, 30115), (6023, 29660), (6340, 28177), (7415, 24092), (12046, 14830)]