17189720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1487}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 41113440

約数和(自身を除く): 23923720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 1487, 2312, 2890, 2974, 5780, 5948, 7435, 11560, 11896, 14870, 25279, 29740, 50558, 59480, 101116, 126395, 202232, 252790, 429743, 505580, 859486, 1011160, 1718972, 2148715, 3437944, 4297430, 8594860, 17189720]

約数ペア:

[(1, 17189720), (2, 8594860), (4, 4297430), (5, 3437944), (8, 2148715), (10, 1718972), (17, 1011160), (20, 859486), (34, 505580), (40, 429743), (68, 252790), (85, 202232), (136, 126395), (170, 101116), (289, 59480), (340, 50558), (578, 29740), (680, 25279), (1156, 14870), (1445, 11896), (1487, 11560), (2312, 7435), (2890, 5948), (2974, 5780)]