83840820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199621}}^1$

素因数の和:199640

約数の個数: 48

約数和(自身を含む): 268291968

約数和(自身を除く): 184451148

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, 199621, 399242, 598863, 798484, 998105, 1197726, 1397347, 1996210, 2395452, 2794694, 2994315, 3992420, 4192041, 5589388, 5988630, 6986735, 8384082, 11977260, 13973470, 16768164, 20960205, 27946940, 41920410, 83840820]

約数ペア:

[(1, 83840820), (2, 41920410), (3, 27946940), (4, 20960205), (5, 16768164), (6, 13973470), (7, 11977260), (10, 8384082), (12, 6986735), (14, 5988630), (15, 5589388), (20, 4192041), (21, 3992420), (28, 2994315), (30, 2794694), (35, 2395452), (42, 1996210), (60, 1397347), (70, 1197726), (84, 998105), (105, 798484), (140, 598863), (210, 399242), (420, 199621)]