377977678840

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{919}}^1\times {\mathrm{20201}}^1$

素因数の和:21640

約数の個数: 64

約数和(自身を含む): 853090056000

約数和(自身を除く): 475112377160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 919, 1018, 1838, 2036, 2545, 3676, 4072, 4595, 5090, 7352, 9190, 10180, 18380, 20201, 20360, 36760, 40402, 80804, 101005, 161608, 202010, 404020, 467771, 808040, 935542, 1871084, 2338855, 3742168, 4677710, 9355420, 10282309, 18564719, 18710840, 20564618, 37129438, 41129236, 51411545, 74258876, 82258472, 92823595, 102823090, 148517752, 185647190, 205646180, 371294380, 411292360, 742588760, 9449441971, 18898883942, 37797767884, 47247209855, 75595535768, 94494419710, 188988839420, 377977678840]

約数ペア:

[(1, 377977678840), (2, 188988839420), (4, 94494419710), (5, 75595535768), (8, 47247209855), (10, 37797767884), (20, 18898883942), (40, 9449441971), (509, 742588760), (919, 411292360), (1018, 371294380), (1838, 205646180), (2036, 185647190), (2545, 148517752), (3676, 102823090), (4072, 92823595), (4595, 82258472), (5090, 74258876), (7352, 51411545), (9190, 41129236), (10180, 37129438), (18380, 20564618), (20201, 18710840), (20360, 18564719), (36760, 10282309), (40402, 9355420), (80804, 4677710), (101005, 3742168), (161608, 2338855), (202010, 1871084), (404020, 935542), (467771, 808040)]