1940820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4621}}^1$

素因数の和:4640

約数の個数: 48

約数和(自身を含む): 6211968

約数和(自身を除く): 4271148

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, 4621, 9242, 13863, 18484, 23105, 27726, 32347, 46210, 55452, 64694, 69315, 92420, 97041, 129388, 138630, 161735, 194082, 277260, 323470, 388164, 485205, 646940, 970410, 1940820]

約数ペア:

[(1, 1940820), (2, 970410), (3, 646940), (4, 485205), (5, 388164), (6, 323470), (7, 277260), (10, 194082), (12, 161735), (14, 138630), (15, 129388), (20, 97041), (21, 92420), (28, 69315), (30, 64694), (35, 55452), (42, 46210), (60, 32347), (70, 27726), (84, 23105), (105, 18484), (140, 13863), (210, 9242), (420, 4621)]