207247960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1193}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 482280480

約数和(自身を除く): 275032520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 172, 202, 215, 344, 404, 430, 505, 808, 860, 1010, 1193, 1720, 2020, 2386, 4040, 4343, 4772, 5965, 8686, 9544, 11930, 17372, 21715, 23860, 34744, 43430, 47720, 51299, 86860, 102598, 120493, 173720, 205196, 240986, 256495, 410392, 481972, 512990, 602465, 963944, 1025980, 1204930, 2051960, 2409860, 4819720, 5181199, 10362398, 20724796, 25905995, 41449592, 51811990, 103623980, 207247960]

約数ペア:

[(1, 207247960), (2, 103623980), (4, 51811990), (5, 41449592), (8, 25905995), (10, 20724796), (20, 10362398), (40, 5181199), (43, 4819720), (86, 2409860), (101, 2051960), (172, 1204930), (202, 1025980), (215, 963944), (344, 602465), (404, 512990), (430, 481972), (505, 410392), (808, 256495), (860, 240986), (1010, 205196), (1193, 173720), (1720, 120493), (2020, 102598), (2386, 86860), (4040, 51299), (4343, 47720), (4772, 43430), (5965, 34744), (8686, 23860), (9544, 21715), (11930, 17372)]