111800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 286440

約数和(自身を除く): 174640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 130, 172, 200, 215, 260, 325, 344, 430, 520, 559, 650, 860, 1075, 1118, 1300, 1720, 2150, 2236, 2600, 2795, 4300, 4472, 5590, 8600, 11180, 13975, 22360, 27950, 55900, 111800]

約数ペア:

[(1, 111800), (2, 55900), (4, 27950), (5, 22360), (8, 13975), (10, 11180), (13, 8600), (20, 5590), (25, 4472), (26, 4300), (40, 2795), (43, 2600), (50, 2236), (52, 2150), (65, 1720), (86, 1300), (100, 1118), (104, 1075), (130, 860), (172, 650), (200, 559), (215, 520), (260, 430), (325, 344)]