391992020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{8069}}^1$

素因数の和:8432

約数の個数: 48

約数和(自身を含む): 943608960

約数和(自身を除く): 551616940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 694, 1388, 1735, 2429, 3470, 4858, 6940, 8069, 9716, 12145, 16138, 24290, 32276, 40345, 48580, 56483, 80690, 112966, 161380, 225932, 282415, 564830, 1129660, 2799943, 5599886, 11199772, 13999715, 19599601, 27999430, 39199202, 55998860, 78398404, 97998005, 195996010, 391992020]

約数ペア:

[(1, 391992020), (2, 195996010), (4, 97998005), (5, 78398404), (7, 55998860), (10, 39199202), (14, 27999430), (20, 19599601), (28, 13999715), (35, 11199772), (70, 5599886), (140, 2799943), (347, 1129660), (694, 564830), (1388, 282415), (1735, 225932), (2429, 161380), (3470, 112966), (4858, 80690), (6940, 56483), (8069, 48580), (9716, 40345), (12145, 32276), (16138, 24290)]