17956250

素因数分解:

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

素因数の和:70

約数の個数: 72

約数和(自身を含む): 38599092

約数和(自身を除く): 20642842

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 169, 170, 221, 250, 325, 338, 425, 442, 625, 650, 845, 850, 1105, 1250, 1625, 1690, 2125, 2210, 2873, 3125, 3250, 4225, 4250, 5525, 5746, 6250, 8125, 8450, 10625, 11050, 14365, 16250, 21125, 21250, 27625, 28730, 40625, 42250, 53125, 55250, 71825, 81250, 105625, 106250, 138125, 143650, 211250, 276250, 359125, 528125, 690625, 718250, 1056250, 1381250, 1795625, 3591250, 8978125, 17956250]

約数ペア:

[(1, 17956250), (2, 8978125), (5, 3591250), (10, 1795625), (13, 1381250), (17, 1056250), (25, 718250), (26, 690625), (34, 528125), (50, 359125), (65, 276250), (85, 211250), (125, 143650), (130, 138125), (169, 106250), (170, 105625), (221, 81250), (250, 71825), (325, 55250), (338, 53125), (425, 42250), (442, 40625), (625, 28730), (650, 27625), (845, 21250), (850, 21125), (1105, 16250), (1250, 14365), (1625, 11050), (1690, 10625), (2125, 8450), (2210, 8125), (2873, 6250), (3125, 5746), (3250, 5525), (4225, 4250)]