419986520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{143831}}^1$

素因数の和:143915

約数の個数: 32

約数和(自身を含む): 957921120

約数和(自身を除く): 537934600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 143831, 287662, 575324, 719155, 1150648, 1438310, 2876620, 5753240, 10499663, 20999326, 41998652, 52498315, 83997304, 104996630, 209993260, 419986520]

約数ペア:

[(1, 419986520), (2, 209993260), (4, 104996630), (5, 83997304), (8, 52498315), (10, 41998652), (20, 20999326), (40, 10499663), (73, 5753240), (146, 2876620), (292, 1438310), (365, 1150648), (584, 719155), (730, 575324), (1460, 287662), (2920, 143831)]