87892980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209269}}^1$

素因数の和:209288

約数の個数: 48

約数和(自身を含む): 281258880

約数和(自身を除く): 193365900

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, 209269, 418538, 627807, 837076, 1046345, 1255614, 1464883, 2092690, 2511228, 2929766, 3139035, 4185380, 4394649, 5859532, 6278070, 7324415, 8789298, 12556140, 14648830, 17578596, 21973245, 29297660, 43946490, 87892980]

約数ペア:

[(1, 87892980), (2, 43946490), (3, 29297660), (4, 21973245), (5, 17578596), (6, 14648830), (7, 12556140), (10, 8789298), (12, 7324415), (14, 6278070), (15, 5859532), (20, 4394649), (21, 4185380), (28, 3139035), (30, 2929766), (35, 2511228), (42, 2092690), (60, 1464883), (70, 1255614), (84, 1046345), (105, 837076), (140, 627807), (210, 418538), (420, 209269)]