1949480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 4959360

約数和(自身を除く): 3009880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 163, 184, 230, 260, 299, 326, 460, 520, 598, 652, 815, 920, 1196, 1304, 1495, 1630, 2119, 2392, 2990, 3260, 3749, 4238, 5980, 6520, 7498, 8476, 10595, 11960, 14996, 16952, 18745, 21190, 29992, 37490, 42380, 48737, 74980, 84760, 97474, 149960, 194948, 243685, 389896, 487370, 974740, 1949480]

約数ペア:

[(1, 1949480), (2, 974740), (4, 487370), (5, 389896), (8, 243685), (10, 194948), (13, 149960), (20, 97474), (23, 84760), (26, 74980), (40, 48737), (46, 42380), (52, 37490), (65, 29992), (92, 21190), (104, 18745), (115, 16952), (130, 14996), (163, 11960), (184, 10595), (230, 8476), (260, 7498), (299, 6520), (326, 5980), (460, 4238), (520, 3749), (598, 3260), (652, 2990), (815, 2392), (920, 2119), (1196, 1630), (1304, 1495)]