42203820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9907}}^1$

素因数の和:9990

約数の個数: 48

約数和(自身を含む): 119847168

約数和(自身を除く): 77643348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 9907, 19814, 29721, 39628, 49535, 59442, 99070, 118884, 148605, 198140, 297210, 594420, 703397, 1406794, 2110191, 2813588, 3516985, 4220382, 7033970, 8440764, 10550955, 14067940, 21101910, 42203820]

約数ペア:

[(1, 42203820), (2, 21101910), (3, 14067940), (4, 10550955), (5, 8440764), (6, 7033970), (10, 4220382), (12, 3516985), (15, 2813588), (20, 2110191), (30, 1406794), (60, 703397), (71, 594420), (142, 297210), (213, 198140), (284, 148605), (355, 118884), (426, 99070), (710, 59442), (852, 49535), (1065, 39628), (1420, 29721), (2130, 19814), (4260, 9907)]