84742980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{201769}}^1$

素因数の和:201788

約数の個数: 48

約数和(自身を含む): 271178880

約数和(自身を除く): 186435900

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, 201769, 403538, 605307, 807076, 1008845, 1210614, 1412383, 2017690, 2421228, 2824766, 3026535, 4035380, 4237149, 5649532, 6053070, 7061915, 8474298, 12106140, 14123830, 16948596, 21185745, 28247660, 42371490, 84742980]

約数ペア:

[(1, 84742980), (2, 42371490), (3, 28247660), (4, 21185745), (5, 16948596), (6, 14123830), (7, 12106140), (10, 8474298), (12, 7061915), (14, 6053070), (15, 5649532), (20, 4237149), (21, 4035380), (28, 3026535), (30, 2824766), (35, 2421228), (42, 2017690), (60, 1412383), (70, 1210614), (84, 1008845), (105, 807076), (140, 605307), (210, 403538), (420, 201769)]