138397340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1747}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 309228192

約数和(自身を除く): 170830852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 932, 1165, 1747, 2330, 3494, 3961, 4660, 6988, 7922, 8735, 15844, 17470, 19805, 29699, 34940, 39610, 59398, 79220, 118796, 148495, 296990, 407051, 593980, 814102, 1628204, 2035255, 4070510, 6919867, 8141020, 13839734, 27679468, 34599335, 69198670, 138397340]

約数ペア:

[(1, 138397340), (2, 69198670), (4, 34599335), (5, 27679468), (10, 13839734), (17, 8141020), (20, 6919867), (34, 4070510), (68, 2035255), (85, 1628204), (170, 814102), (233, 593980), (340, 407051), (466, 296990), (932, 148495), (1165, 118796), (1747, 79220), (2330, 59398), (3494, 39610), (3961, 34940), (4660, 29699), (6988, 19805), (7922, 17470), (8735, 15844)]