42841820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2971}}^1$

素因数の和:3090

約数の個数: 48

約数和(自身を含む): 103853568

約数和(自身を除く): 61011748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 2971, 3605, 5942, 7210, 11884, 14420, 14855, 20797, 29710, 41594, 59420, 83188, 103985, 207970, 306013, 415940, 612026, 1224052, 1530065, 2142091, 3060130, 4284182, 6120260, 8568364, 10710455, 21420910, 42841820]

約数ペア:

[(1, 42841820), (2, 21420910), (4, 10710455), (5, 8568364), (7, 6120260), (10, 4284182), (14, 3060130), (20, 2142091), (28, 1530065), (35, 1224052), (70, 612026), (103, 415940), (140, 306013), (206, 207970), (412, 103985), (515, 83188), (721, 59420), (1030, 41594), (1442, 29710), (2060, 20797), (2884, 14855), (2971, 14420), (3605, 11884), (5942, 7210)]