190895720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{280729}}^1$

素因数の和:280757

約数の個数: 32

約数和(自身を含む): 454782600

約数和(自身を除く): 263886880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 280729, 561458, 1122916, 1403645, 2245832, 2807290, 4772393, 5614580, 9544786, 11229160, 19089572, 23861965, 38179144, 47723930, 95447860, 190895720]

約数ペア:

[(1, 190895720), (2, 95447860), (4, 47723930), (5, 38179144), (8, 23861965), (10, 19089572), (17, 11229160), (20, 9544786), (34, 5614580), (40, 4772393), (68, 2807290), (85, 2245832), (136, 1403645), (170, 1122916), (340, 561458), (680, 280729)]