2108409860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{8629}}^1$

素因数の和:9300

約数の個数: 48

約数和(自身を含む): 4668484800

約数和(自身を除く): 2560074940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 643, 1286, 2572, 3215, 6430, 8629, 12217, 12860, 17258, 24434, 34516, 43145, 48868, 61085, 86290, 122170, 163951, 172580, 244340, 327902, 655804, 819755, 1639510, 3279020, 5548447, 11096894, 22193788, 27742235, 55484470, 105420493, 110968940, 210840986, 421681972, 527102465, 1054204930, 2108409860]

約数ペア:

[(1, 2108409860), (2, 1054204930), (4, 527102465), (5, 421681972), (10, 210840986), (19, 110968940), (20, 105420493), (38, 55484470), (76, 27742235), (95, 22193788), (190, 11096894), (380, 5548447), (643, 3279020), (1286, 1639510), (2572, 819755), (3215, 655804), (6430, 327902), (8629, 244340), (12217, 172580), (12860, 163951), (17258, 122170), (24434, 86290), (34516, 61085), (43145, 48868)]