74039140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1039}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 178214400

約数和(自身を除く): 104175260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 1039, 2036, 2078, 2545, 3563, 4156, 5090, 5195, 7126, 7273, 10180, 10390, 14252, 14546, 17815, 20780, 29092, 35630, 36365, 71260, 72730, 145460, 528851, 1057702, 2115404, 2644255, 3701957, 5288510, 7403914, 10577020, 14807828, 18509785, 37019570, 74039140]

約数ペア:

[(1, 74039140), (2, 37019570), (4, 18509785), (5, 14807828), (7, 10577020), (10, 7403914), (14, 5288510), (20, 3701957), (28, 2644255), (35, 2115404), (70, 1057702), (140, 528851), (509, 145460), (1018, 72730), (1039, 71260), (2036, 36365), (2078, 35630), (2545, 29092), (3563, 20780), (4156, 17815), (5090, 14546), (5195, 14252), (7126, 10390), (7273, 10180)]