2028497620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{51721}}^1$

素因数の和:51820

約数の個数: 48

約数和(自身を含む): 4457608848

約数和(自身を除く): 2429111228

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1961, 3922, 7844, 9805, 19610, 39220, 51721, 103442, 206884, 258605, 517210, 1034420, 1913677, 2741213, 3827354, 5482426, 7654708, 9568385, 10964852, 13706065, 19136770, 27412130, 38273540, 54824260, 101424881, 202849762, 405699524, 507124405, 1014248810, 2028497620]

約数ペア:

[(1, 2028497620), (2, 1014248810), (4, 507124405), (5, 405699524), (10, 202849762), (20, 101424881), (37, 54824260), (53, 38273540), (74, 27412130), (106, 19136770), (148, 13706065), (185, 10964852), (212, 9568385), (265, 7654708), (370, 5482426), (530, 3827354), (740, 2741213), (1060, 1913677), (1961, 1034420), (3922, 517210), (7844, 258605), (9805, 206884), (19610, 103442), (39220, 51721)]