1918273740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{450299}}^1$

素因数の和:450382

約数の個数: 48

約数和(自身を含む): 5446828800

約数和(自身を除く): 3528555060

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, 450299, 900598, 1350897, 1801196, 2251495, 2701794, 4502990, 5403588, 6754485, 9005980, 13508970, 27017940, 31971229, 63942458, 95913687, 127884916, 159856145, 191827374, 319712290, 383654748, 479568435, 639424580, 959136870, 1918273740]

約数ペア:

[(1, 1918273740), (2, 959136870), (3, 639424580), (4, 479568435), (5, 383654748), (6, 319712290), (10, 191827374), (12, 159856145), (15, 127884916), (20, 95913687), (30, 63942458), (60, 31971229), (71, 27017940), (142, 13508970), (213, 9005980), (284, 6754485), (355, 5403588), (426, 4502990), (710, 2701794), (852, 2251495), (1065, 1801196), (1420, 1350897), (2130, 900598), (4260, 450299)]