149866480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45691}}^1$

素因数の和:45745

約数の個数: 40

約数和(自身を含む): 356945904

約数和(自身を除く): 207079424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 45691, 91382, 182764, 228455, 365528, 456910, 731056, 913820, 1827640, 1873331, 3655280, 3746662, 7493324, 9366655, 14986648, 18733310, 29973296, 37466620, 74933240, 149866480]

約数ペア:

[(1, 149866480), (2, 74933240), (4, 37466620), (5, 29973296), (8, 18733310), (10, 14986648), (16, 9366655), (20, 7493324), (40, 3746662), (41, 3655280), (80, 1873331), (82, 1827640), (164, 913820), (205, 731056), (328, 456910), (410, 365528), (656, 228455), (820, 182764), (1640, 91382), (3280, 45691)]