42743820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101771}}^1$

素因数の和:101790

約数の個数: 48

約数和(自身を含む): 136781568

約数和(自身を除く): 94037748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 101771, 203542, 305313, 407084, 508855, 610626, 712397, 1017710, 1221252, 1424794, 1526565, 2035420, 2137191, 2849588, 3053130, 3561985, 4274382, 6106260, 7123970, 8548764, 10685955, 14247940, 21371910, 42743820]

約数ペア:

[(1, 42743820), (2, 21371910), (3, 14247940), (4, 10685955), (5, 8548764), (6, 7123970), (7, 6106260), (10, 4274382), (12, 3561985), (14, 3053130), (15, 2849588), (20, 2137191), (21, 2035420), (28, 1526565), (30, 1424794), (35, 1221252), (42, 1017710), (60, 712397), (70, 610626), (84, 508855), (105, 407084), (140, 305313), (210, 203542), (420, 101771)]