42003220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{300023}}^1$

素因数の和:300039

約数の個数: 24

約数和(自身を含む): 100808064

約数和(自身を除く): 58804844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 300023, 600046, 1200092, 1500115, 2100161, 3000230, 4200322, 6000460, 8400644, 10500805, 21001610, 42003220]

約数ペア:

[(1, 42003220), (2, 21001610), (4, 10500805), (5, 8400644), (7, 6000460), (10, 4200322), (14, 3000230), (20, 2100161), (28, 1500115), (35, 1200092), (70, 600046), (140, 300023)]