155990980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{458797}}^1$

素因数の和:458823

約数の個数: 24

約数和(自身を含む): 346851288

約数和(自身を除く): 190860308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 458797, 917594, 1835188, 2293985, 4587970, 7799549, 9175940, 15599098, 31198196, 38997745, 77995490, 155990980]

約数ペア:

[(1, 155990980), (2, 77995490), (4, 38997745), (5, 31198196), (10, 15599098), (17, 9175940), (20, 7799549), (34, 4587970), (68, 2293985), (85, 1835188), (170, 917594), (340, 458797)]