118215500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{1399}}^1$

素因数の和:1444

約数の個数: 72

約数和(自身を含む): 279770400

約数和(自身を除く): 161554900

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, 1399, 1625, 1690, 2798, 3250, 3380, 4225, 5596, 6500, 6995, 8450, 13990, 16900, 18187, 21125, 27980, 34975, 36374, 42250, 69950, 72748, 84500, 90935, 139900, 174875, 181870, 236431, 349750, 363740, 454675, 472862, 699500, 909350, 945724, 1182155, 1818700, 2273375, 2364310, 4546750, 4728620, 5910775, 9093500, 11821550, 23643100, 29553875, 59107750, 118215500]

約数ペア:

[(1, 118215500), (2, 59107750), (4, 29553875), (5, 23643100), (10, 11821550), (13, 9093500), (20, 5910775), (25, 4728620), (26, 4546750), (50, 2364310), (52, 2273375), (65, 1818700), (100, 1182155), (125, 945724), (130, 909350), (169, 699500), (250, 472862), (260, 454675), (325, 363740), (338, 349750), (500, 236431), (650, 181870), (676, 174875), (845, 139900), (1300, 90935), (1399, 84500), (1625, 72748), (1690, 69950), (2798, 42250), (3250, 36374), (3380, 34975), (4225, 27980), (5596, 21125), (6500, 18187), (6995, 16900), (8450, 13990)]