200910405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 355829760

約数和(自身を除く): 154919355

約数列:

[1, 3, 5, 15, 23, 29, 43, 69, 87, 115, 129, 145, 215, 345, 435, 467, 645, 667, 989, 1247, 1401, 2001, 2335, 2967, 3335, 3741, 4945, 6235, 7005, 10005, 10741, 13543, 14835, 18705, 20081, 28681, 32223, 40629, 53705, 60243, 67715, 86043, 100405, 143405, 161115, 203145, 301215, 311489, 430215, 461863, 582349, 934467, 1385589, 1557445, 1747047, 2309315, 2911745, 4672335, 6927945, 8735235, 13394027, 40182081, 66970135, 200910405]

約数ペア:

[(1, 200910405), (3, 66970135), (5, 40182081), (15, 13394027), (23, 8735235), (29, 6927945), (43, 4672335), (69, 2911745), (87, 2309315), (115, 1747047), (129, 1557445), (145, 1385589), (215, 934467), (345, 582349), (435, 461863), (467, 430215), (645, 311489), (667, 301215), (989, 203145), (1247, 161115), (1401, 143405), (2001, 100405), (2335, 86043), (2967, 67715), (3335, 60243), (3741, 53705), (4945, 40629), (6235, 32223), (7005, 28681), (10005, 20081), (10741, 18705), (13543, 14835)]