3863820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 10983168

約数和(自身を除く): 7119348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 907, 1065, 1420, 1814, 2130, 2721, 3628, 4260, 4535, 5442, 9070, 10884, 13605, 18140, 27210, 54420, 64397, 128794, 193191, 257588, 321985, 386382, 643970, 772764, 965955, 1287940, 1931910, 3863820]

約数ペア:

[(1, 3863820), (2, 1931910), (3, 1287940), (4, 965955), (5, 772764), (6, 643970), (10, 386382), (12, 321985), (15, 257588), (20, 193191), (30, 128794), (60, 64397), (71, 54420), (142, 27210), (213, 18140), (284, 13605), (355, 10884), (426, 9070), (710, 5442), (852, 4535), (907, 4260), (1065, 3628), (1420, 2721), (1814, 2130)]