42009940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2971}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 101856384

約数和(自身を除く): 59846444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 2971, 3535, 5942, 7070, 11884, 14140, 14855, 20797, 29710, 41594, 59420, 83188, 103985, 207970, 300071, 415940, 600142, 1200284, 1500355, 2100497, 3000710, 4200994, 6001420, 8401988, 10502485, 21004970, 42009940]

約数ペア:

[(1, 42009940), (2, 21004970), (4, 10502485), (5, 8401988), (7, 6001420), (10, 4200994), (14, 3000710), (20, 2100497), (28, 1500355), (35, 1200284), (70, 600142), (101, 415940), (140, 300071), (202, 207970), (404, 103985), (505, 83188), (707, 59420), (1010, 41594), (1414, 29710), (2020, 20797), (2828, 14855), (2971, 14140), (3535, 11884), (5942, 7070)]