39273220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1721}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 94889088

約数和(自身を除く): 55615868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 1721, 2282, 3260, 3442, 4564, 5705, 6884, 8605, 11410, 12047, 17210, 22820, 24094, 34420, 48188, 60235, 120470, 240940, 280523, 561046, 1122092, 1402615, 1963661, 2805230, 3927322, 5610460, 7854644, 9818305, 19636610, 39273220]

約数ペア:

[(1, 39273220), (2, 19636610), (4, 9818305), (5, 7854644), (7, 5610460), (10, 3927322), (14, 2805230), (20, 1963661), (28, 1402615), (35, 1122092), (70, 561046), (140, 280523), (163, 240940), (326, 120470), (652, 60235), (815, 48188), (1141, 34420), (1630, 24094), (1721, 22820), (2282, 17210), (3260, 12047), (3442, 11410), (4564, 8605), (5705, 6884)]