388505080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571331}}^1$

素因数の和:571359

約数の個数: 32

約数和(自身を含む): 925557840

約数和(自身を除く): 537052760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 571331, 1142662, 2285324, 2856655, 4570648, 5713310, 9712627, 11426620, 19425254, 22853240, 38850508, 48563135, 77701016, 97126270, 194252540, 388505080]

約数ペア:

[(1, 388505080), (2, 194252540), (4, 97126270), (5, 77701016), (8, 48563135), (10, 38850508), (17, 22853240), (20, 19425254), (34, 11426620), (40, 9712627), (68, 5713310), (85, 4570648), (136, 2856655), (170, 2285324), (340, 1142662), (680, 571331)]