242519140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3988

約数の個数: 48

約数和(自身を含む): 528409728

約数和(自身を除く): 285890588

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 3139, 3863, 6278, 7726, 12556, 15452, 15695, 19315, 31390, 38630, 62780, 77260, 166109, 281999, 332218, 563998, 664436, 830545, 1127996, 1409995, 1661090, 2819990, 3322180, 5639980, 12125957, 24251914, 48503828, 60629785, 121259570, 242519140]

約数ペア:

[(1, 242519140), (2, 121259570), (4, 60629785), (5, 48503828), (10, 24251914), (20, 12125957), (43, 5639980), (73, 3322180), (86, 2819990), (146, 1661090), (172, 1409995), (215, 1127996), (292, 830545), (365, 664436), (430, 563998), (730, 332218), (860, 281999), (1460, 166109), (3139, 77260), (3863, 62780), (6278, 38630), (7726, 31390), (12556, 19315), (15452, 15695)]