7182500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 90

約数和(自身を含む): 18008298

約数和(自身を除く): 10825798

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 169, 170, 221, 250, 260, 325, 338, 340, 425, 442, 500, 625, 650, 676, 845, 850, 884, 1105, 1250, 1300, 1625, 1690, 1700, 2125, 2210, 2500, 2873, 3250, 3380, 4225, 4250, 4420, 5525, 5746, 6500, 8125, 8450, 8500, 10625, 11050, 11492, 14365, 16250, 16900, 21125, 21250, 22100, 27625, 28730, 32500, 42250, 42500, 55250, 57460, 71825, 84500, 105625, 110500, 138125, 143650, 211250, 276250, 287300, 359125, 422500, 552500, 718250, 1436500, 1795625, 3591250, 7182500]

約数ペア:

[(1, 7182500), (2, 3591250), (4, 1795625), (5, 1436500), (10, 718250), (13, 552500), (17, 422500), (20, 359125), (25, 287300), (26, 276250), (34, 211250), (50, 143650), (52, 138125), (65, 110500), (68, 105625), (85, 84500), (100, 71825), (125, 57460), (130, 55250), (169, 42500), (170, 42250), (221, 32500), (250, 28730), (260, 27625), (325, 22100), (338, 21250), (340, 21125), (425, 16900), (442, 16250), (500, 14365), (625, 11492), (650, 11050), (676, 10625), (845, 8500), (850, 8450), (884, 8125), (1105, 6500), (1250, 5746), (1300, 5525), (1625, 4420), (1690, 4250), (1700, 4225), (2125, 3380), (2210, 3250), (2500, 2873)]