1728778840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2274709}}^1$

素因数の和:2274739

約数の個数: 32

約数和(自身を含む): 4094478000

約数和(自身を除く): 2365699160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2274709, 4549418, 9098836, 11373545, 18197672, 22747090, 43219471, 45494180, 86438942, 90988360, 172877884, 216097355, 345755768, 432194710, 864389420, 1728778840]

約数ペア:

[(1, 1728778840), (2, 864389420), (4, 432194710), (5, 345755768), (8, 216097355), (10, 172877884), (19, 90988360), (20, 86438942), (38, 45494180), (40, 43219471), (76, 22747090), (95, 18197672), (152, 11373545), (190, 9098836), (380, 4549418), (760, 2274709)]