391313240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{337339}}^1$

素因数の和:337379

約数の個数: 32

約数和(自身を含む): 910818000

約数和(自身を除く): 519504760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 337339, 674678, 1349356, 1686695, 2698712, 3373390, 6746780, 9782831, 13493560, 19565662, 39131324, 48914155, 78262648, 97828310, 195656620, 391313240]

約数ペア:

[(1, 391313240), (2, 195656620), (4, 97828310), (5, 78262648), (8, 48914155), (10, 39131324), (20, 19565662), (29, 13493560), (40, 9782831), (58, 6746780), (116, 3373390), (145, 2698712), (232, 1686695), (290, 1349356), (580, 674678), (1160, 337339)]