2809443020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{5669}}^1$

素因数の和:6098

約数の個数: 48

約数和(自身を含む): 6001128000

約数和(自身を除く): 3191684980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 349, 355, 698, 710, 1396, 1420, 1745, 3490, 5669, 6980, 11338, 22676, 24779, 28345, 49558, 56690, 99116, 113380, 123895, 247790, 402499, 495580, 804998, 1609996, 1978481, 2012495, 3956962, 4024990, 7913924, 8049980, 9892405, 19784810, 39569620, 140472151, 280944302, 561888604, 702360755, 1404721510, 2809443020]

約数ペア:

[(1, 2809443020), (2, 1404721510), (4, 702360755), (5, 561888604), (10, 280944302), (20, 140472151), (71, 39569620), (142, 19784810), (284, 9892405), (349, 8049980), (355, 7913924), (698, 4024990), (710, 3956962), (1396, 2012495), (1420, 1978481), (1745, 1609996), (3490, 804998), (5669, 495580), (6980, 402499), (11338, 247790), (22676, 123895), (24779, 113380), (28345, 99116), (49558, 56690)]