389347740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2163043}}^1$

素因数の和:2163058

約数の個数: 36

約数和(自身を含む): 1181022024

約数和(自身を除く): 791674284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2163043, 4326086, 6489129, 8652172, 10815215, 12978258, 19467387, 21630430, 25956516, 32445645, 38934774, 43260860, 64891290, 77869548, 97336935, 129782580, 194673870, 389347740]

約数ペア:

[(1, 389347740), (2, 194673870), (3, 129782580), (4, 97336935), (5, 77869548), (6, 64891290), (9, 43260860), (10, 38934774), (12, 32445645), (15, 25956516), (18, 21630430), (20, 19467387), (30, 12978258), (36, 10815215), (45, 8652172), (60, 6489129), (90, 4326086), (180, 2163043)]