15171500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 34900320

約数和(自身を除く): 19728820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1597, 1900, 2375, 3194, 4750, 6388, 7985, 9500, 15970, 30343, 31940, 39925, 60686, 79850, 121372, 151715, 159700, 199625, 303430, 399250, 606860, 758575, 798500, 1517150, 3034300, 3792875, 7585750, 15171500]

約数ペア:

[(1, 15171500), (2, 7585750), (4, 3792875), (5, 3034300), (10, 1517150), (19, 798500), (20, 758575), (25, 606860), (38, 399250), (50, 303430), (76, 199625), (95, 159700), (100, 151715), (125, 121372), (190, 79850), (250, 60686), (380, 39925), (475, 31940), (500, 30343), (950, 15970), (1597, 9500), (1900, 7985), (2375, 6388), (3194, 4750)]