42390520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 107204400

約数和(自身を除く): 64813880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 193, 289, 323, 340, 380, 386, 578, 646, 680, 760, 772, 965, 1156, 1292, 1445, 1544, 1615, 1930, 2312, 2584, 2890, 3230, 3281, 3667, 3860, 5491, 5780, 6460, 6562, 7334, 7720, 10982, 11560, 12920, 13124, 14668, 16405, 18335, 21964, 26248, 27455, 29336, 32810, 36670, 43928, 54910, 55777, 62339, 65620, 73340, 109820, 111554, 124678, 131240, 146680, 219640, 223108, 249356, 278885, 311695, 446216, 498712, 557770, 623390, 1059763, 1115540, 1246780, 2119526, 2231080, 2493560, 4239052, 5298815, 8478104, 10597630, 21195260, 42390520]

約数ペア:

[(1, 42390520), (2, 21195260), (4, 10597630), (5, 8478104), (8, 5298815), (10, 4239052), (17, 2493560), (19, 2231080), (20, 2119526), (34, 1246780), (38, 1115540), (40, 1059763), (68, 623390), (76, 557770), (85, 498712), (95, 446216), (136, 311695), (152, 278885), (170, 249356), (190, 223108), (193, 219640), (289, 146680), (323, 131240), (340, 124678), (380, 111554), (386, 109820), (578, 73340), (646, 65620), (680, 62339), (760, 55777), (772, 54910), (965, 43928), (1156, 36670), (1292, 32810), (1445, 29336), (1544, 27455), (1615, 26248), (1930, 21964), (2312, 18335), (2584, 16405), (2890, 14668), (3230, 13124), (3281, 12920), (3667, 11560), (3860, 10982), (5491, 7720), (5780, 7334), (6460, 6562)]