71443420

素因数分解:

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

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 158810400

約数和(自身を除く): 87366980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 458, 821, 916, 1145, 1642, 2290, 3284, 4105, 4351, 4580, 8210, 8702, 15599, 16420, 17404, 21755, 31198, 43510, 62396, 77995, 87020, 155990, 188009, 311980, 376018, 752036, 940045, 1880090, 3572171, 3760180, 7144342, 14288684, 17860855, 35721710, 71443420]

約数ペア:

[(1, 71443420), (2, 35721710), (4, 17860855), (5, 14288684), (10, 7144342), (19, 3760180), (20, 3572171), (38, 1880090), (76, 940045), (95, 752036), (190, 376018), (229, 311980), (380, 188009), (458, 155990), (821, 87020), (916, 77995), (1145, 62396), (1642, 43510), (2290, 31198), (3284, 21755), (4105, 17404), (4351, 16420), (4580, 15599), (8210, 8702)]