2019948079720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4639}}^1\times {\mathrm{149119}}^1$

素因数の和:153842

約数の個数: 64

約数和(自身を含む): 4608165888000

約数和(自身を除く): 2588217808280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4639, 9278, 18556, 23195, 37112, 46390, 92780, 149119, 185560, 298238, 338647, 596476, 677294, 745595, 1192952, 1354588, 1491190, 1693235, 2709176, 2982380, 3386470, 5964760, 6772940, 10885687, 13545880, 21771374, 43542748, 54428435, 87085496, 108856870, 217713740, 435427480, 691763041, 1383526082, 2767052164, 3458815205, 5534104328, 6917630410, 13835260820, 27670521640, 50498701993, 100997403986, 201994807972, 252493509965, 403989615944, 504987019930, 1009974039860, 2019948079720]

約数ペア:

[(1, 2019948079720), (2, 1009974039860), (4, 504987019930), (5, 403989615944), (8, 252493509965), (10, 201994807972), (20, 100997403986), (40, 50498701993), (73, 27670521640), (146, 13835260820), (292, 6917630410), (365, 5534104328), (584, 3458815205), (730, 2767052164), (1460, 1383526082), (2920, 691763041), (4639, 435427480), (9278, 217713740), (18556, 108856870), (23195, 87085496), (37112, 54428435), (46390, 43542748), (92780, 21771374), (149119, 13545880), (185560, 10885687), (298238, 6772940), (338647, 5964760), (596476, 3386470), (677294, 2982380), (745595, 2709176), (1192952, 1693235), (1354588, 1491190)]