320480875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17929}}^1$

素因数の和:17968

約数の個数: 32

約数和(自身を含む): 469909440

約数和(自身を除く): 149428565

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 17875, 17929, 89645, 197219, 233077, 448225, 986095, 1165385, 2241125, 2563847, 4930475, 5826925, 12819235, 24652375, 29134625, 64096175, 320480875]

約数ペア:

[(1, 320480875), (5, 64096175), (11, 29134625), (13, 24652375), (25, 12819235), (55, 5826925), (65, 4930475), (125, 2563847), (143, 2241125), (275, 1165385), (325, 986095), (715, 448225), (1375, 233077), (1625, 197219), (3575, 89645), (17875, 17929)]