1931800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 4843440

約数和(自身を除く): 2911640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 743, 1300, 1486, 2600, 2972, 3715, 5944, 7430, 9659, 14860, 18575, 19318, 29720, 37150, 38636, 48295, 74300, 77272, 96590, 148600, 193180, 241475, 386360, 482950, 965900, 1931800]

約数ペア:

[(1, 1931800), (2, 965900), (4, 482950), (5, 386360), (8, 241475), (10, 193180), (13, 148600), (20, 96590), (25, 77272), (26, 74300), (40, 48295), (50, 38636), (52, 37150), (65, 29720), (100, 19318), (104, 18575), (130, 14860), (200, 9659), (260, 7430), (325, 5944), (520, 3715), (650, 2972), (743, 2600), (1300, 1486)]