2040605420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{809}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 5029516800

約数和(自身を除く): 2988911380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 419, 430, 602, 809, 838, 860, 1204, 1505, 1618, 1676, 2095, 2933, 3010, 3236, 4045, 4190, 5663, 5866, 6020, 8090, 8380, 11326, 11732, 14665, 16180, 18017, 22652, 28315, 29330, 34787, 36034, 56630, 58660, 69574, 72068, 90085, 113260, 126119, 139148, 173935, 180170, 243509, 252238, 338971, 347870, 360340, 487018, 504476, 630595, 677942, 695740, 974036, 1217545, 1261190, 1355884, 1694855, 2372797, 2435090, 2522380, 3389710, 4745594, 4870180, 6779420, 9491188, 11863985, 14575753, 23727970, 29151506, 47455940, 58303012, 72878765, 102030271, 145757530, 204060542, 291515060, 408121084, 510151355, 1020302710, 2040605420]

約数ペア:

[(1, 2040605420), (2, 1020302710), (4, 510151355), (5, 408121084), (7, 291515060), (10, 204060542), (14, 145757530), (20, 102030271), (28, 72878765), (35, 58303012), (43, 47455940), (70, 29151506), (86, 23727970), (140, 14575753), (172, 11863985), (215, 9491188), (301, 6779420), (419, 4870180), (430, 4745594), (602, 3389710), (809, 2522380), (838, 2435090), (860, 2372797), (1204, 1694855), (1505, 1355884), (1618, 1261190), (1676, 1217545), (2095, 974036), (2933, 695740), (3010, 677942), (3236, 630595), (4045, 504476), (4190, 487018), (5663, 360340), (5866, 347870), (6020, 338971), (8090, 252238), (8380, 243509), (11326, 180170), (11732, 173935), (14665, 139148), (16180, 126119), (18017, 113260), (22652, 90085), (28315, 72068), (29330, 69574), (34787, 58660), (36034, 56630)]