179900500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{2129}}^1$

素因数の和:2174

約数の個数: 72

約数和(自身を含む): 425650680

約数和(自身を除く): 245750180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 250, 260, 325, 338, 500, 650, 676, 845, 1300, 1625, 1690, 2129, 3250, 3380, 4225, 4258, 6500, 8450, 8516, 10645, 16900, 21125, 21290, 27677, 42250, 42580, 53225, 55354, 84500, 106450, 110708, 138385, 212900, 266125, 276770, 359801, 532250, 553540, 691925, 719602, 1064500, 1383850, 1439204, 1799005, 2767700, 3459625, 3598010, 6919250, 7196020, 8995025, 13838500, 17990050, 35980100, 44975125, 89950250, 179900500]

約数ペア:

[(1, 179900500), (2, 89950250), (4, 44975125), (5, 35980100), (10, 17990050), (13, 13838500), (20, 8995025), (25, 7196020), (26, 6919250), (50, 3598010), (52, 3459625), (65, 2767700), (100, 1799005), (125, 1439204), (130, 1383850), (169, 1064500), (250, 719602), (260, 691925), (325, 553540), (338, 532250), (500, 359801), (650, 276770), (676, 266125), (845, 212900), (1300, 138385), (1625, 110708), (1690, 106450), (2129, 84500), (3250, 55354), (3380, 53225), (4225, 42580), (4258, 42250), (6500, 27677), (8450, 21290), (8516, 21125), (10645, 16900)]