285230720

素因数分解:

$2^7\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1277}}^1$

素因数の和:1645

約数の個数: 64

約数和(自身を含む): 684369000

約数和(自身を除く): 399138280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 349, 640, 698, 1277, 1396, 1745, 2554, 2792, 3490, 5108, 5584, 6385, 6980, 10216, 11168, 12770, 13960, 20432, 22336, 25540, 27920, 40864, 44672, 51080, 55840, 81728, 102160, 111680, 163456, 204320, 223360, 408640, 445673, 817280, 891346, 1782692, 2228365, 3565384, 4456730, 7130768, 8913460, 14261536, 17826920, 28523072, 35653840, 57046144, 71307680, 142615360, 285230720]

約数ペア:

[(1, 285230720), (2, 142615360), (4, 71307680), (5, 57046144), (8, 35653840), (10, 28523072), (16, 17826920), (20, 14261536), (32, 8913460), (40, 7130768), (64, 4456730), (80, 3565384), (128, 2228365), (160, 1782692), (320, 891346), (349, 817280), (640, 445673), (698, 408640), (1277, 223360), (1396, 204320), (1745, 163456), (2554, 111680), (2792, 102160), (3490, 81728), (5108, 55840), (5584, 51080), (6385, 44672), (6980, 40864), (10216, 27920), (11168, 25540), (12770, 22336), (13960, 20432)]