1423434820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 3188634624

約数和(自身を除く): 1765199804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 383, 578, 643, 766, 1156, 1286, 1445, 1532, 1915, 2572, 2890, 3215, 3830, 5780, 6430, 6511, 7660, 10931, 12860, 13022, 21862, 26044, 32555, 43724, 54655, 65110, 109310, 110687, 130220, 185827, 218620, 221374, 246269, 371654, 442748, 492538, 553435, 743308, 929135, 985076, 1106870, 1231345, 1858270, 2213740, 2462690, 3716540, 4186573, 4925380, 8373146, 16746292, 20932865, 41865730, 71171741, 83731460, 142343482, 284686964, 355858705, 711717410, 1423434820]

約数ペア:

[(1, 1423434820), (2, 711717410), (4, 355858705), (5, 284686964), (10, 142343482), (17, 83731460), (20, 71171741), (34, 41865730), (68, 20932865), (85, 16746292), (170, 8373146), (289, 4925380), (340, 4186573), (383, 3716540), (578, 2462690), (643, 2213740), (766, 1858270), (1156, 1231345), (1286, 1106870), (1445, 985076), (1532, 929135), (1915, 743308), (2572, 553435), (2890, 492538), (3215, 442748), (3830, 371654), (5780, 246269), (6430, 221374), (6511, 218620), (7660, 185827), (10931, 130220), (12860, 110687), (13022, 109310), (21862, 65110), (26044, 54655), (32555, 43724)]