2783459720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{22469}}^1$

素因数の和:22662

約数の個数: 64

約数和(自身を含む): 6633144000

約数和(自身を除く): 3849684280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 3097, 3260, 6194, 6520, 12388, 15485, 22469, 24776, 30970, 44938, 61940, 89876, 112345, 123880, 179752, 224690, 426911, 449380, 853822, 898760, 1707644, 2134555, 3415288, 3662447, 4269110, 7324894, 8538220, 14649788, 17076440, 18312235, 29299576, 36624470, 69586493, 73248940, 139172986, 146497880, 278345972, 347932465, 556691944, 695864930, 1391729860, 2783459720]

約数ペア:

[(1, 2783459720), (2, 1391729860), (4, 695864930), (5, 556691944), (8, 347932465), (10, 278345972), (19, 146497880), (20, 139172986), (38, 73248940), (40, 69586493), (76, 36624470), (95, 29299576), (152, 18312235), (163, 17076440), (190, 14649788), (326, 8538220), (380, 7324894), (652, 4269110), (760, 3662447), (815, 3415288), (1304, 2134555), (1630, 1707644), (3097, 898760), (3260, 853822), (6194, 449380), (6520, 426911), (12388, 224690), (15485, 179752), (22469, 123880), (24776, 112345), (30970, 89876), (44938, 61940)]