154303180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1699}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 342720000

約数和(自身を除く): 188416820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 956, 1195, 1699, 2390, 3398, 4541, 4780, 6796, 8495, 9082, 16990, 18164, 22705, 32281, 33980, 45410, 64562, 90820, 129124, 161405, 322810, 406061, 645620, 812122, 1624244, 2030305, 4060610, 7715159, 8121220, 15430318, 30860636, 38575795, 77151590, 154303180]

約数ペア:

[(1, 154303180), (2, 77151590), (4, 38575795), (5, 30860636), (10, 15430318), (19, 8121220), (20, 7715159), (38, 4060610), (76, 2030305), (95, 1624244), (190, 812122), (239, 645620), (380, 406061), (478, 322810), (956, 161405), (1195, 129124), (1699, 90820), (2390, 64562), (3398, 45410), (4541, 33980), (4780, 32281), (6796, 22705), (8495, 18164), (9082, 16990)]