144996980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5227}}^1$

素因数の和:5328

約数の個数: 48

約数和(自身を含む): 324972480

約数和(自身を除く): 179975500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5227, 5548, 6935, 10454, 13870, 20908, 26135, 27740, 52270, 99313, 104540, 198626, 381571, 397252, 496565, 763142, 993130, 1526284, 1907855, 1986260, 3815710, 7249849, 7631420, 14499698, 28999396, 36249245, 72498490, 144996980]

約数ペア:

[(1, 144996980), (2, 72498490), (4, 36249245), (5, 28999396), (10, 14499698), (19, 7631420), (20, 7249849), (38, 3815710), (73, 1986260), (76, 1907855), (95, 1526284), (146, 993130), (190, 763142), (292, 496565), (365, 397252), (380, 381571), (730, 198626), (1387, 104540), (1460, 99313), (2774, 52270), (5227, 27740), (5548, 26135), (6935, 20908), (10454, 13870)]