142886840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 340308000

約数和(自身を除く): 197421160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 458, 760, 821, 916, 1145, 1642, 1832, 2290, 3284, 4105, 4351, 4580, 6568, 8210, 8702, 9160, 15599, 16420, 17404, 21755, 31198, 32840, 34808, 43510, 62396, 77995, 87020, 124792, 155990, 174040, 188009, 311980, 376018, 623960, 752036, 940045, 1504072, 1880090, 3572171, 3760180, 7144342, 7520360, 14288684, 17860855, 28577368, 35721710, 71443420, 142886840]

約数ペア:

[(1, 142886840), (2, 71443420), (4, 35721710), (5, 28577368), (8, 17860855), (10, 14288684), (19, 7520360), (20, 7144342), (38, 3760180), (40, 3572171), (76, 1880090), (95, 1504072), (152, 940045), (190, 752036), (229, 623960), (380, 376018), (458, 311980), (760, 188009), (821, 174040), (916, 155990), (1145, 124792), (1642, 87020), (1832, 77995), (2290, 62396), (3284, 43510), (4105, 34808), (4351, 32840), (4580, 31198), (6568, 21755), (8210, 17404), (8702, 16420), (9160, 15599)]