1900515199930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1\times {\mathrm{14669}}^1$

素因数の和:15891

約数の個数: 64

約数和(自身を含む): 3486384180000

約数和(自身を除く): 1585868980070

約数列:

[1, 2, 5, 10, 89, 149, 178, 298, 445, 745, 890, 977, 1490, 1954, 4885, 9770, 13261, 14669, 26522, 29338, 66305, 73345, 86953, 132610, 145573, 146690, 173906, 291146, 434765, 727865, 869530, 1305541, 1455730, 2185681, 2611082, 4371362, 6527705, 10928405, 12955997, 13055410, 14331613, 21856810, 25911994, 28663226, 64779985, 71658065, 129559970, 143316130, 194525609, 389051218, 972628045, 1275513557, 1945256090, 2135410337, 2551027114, 4270820674, 6377567785, 10677051685, 12755135570, 21354103370, 190051519993, 380103039986, 950257599965, 1900515199930]

約数ペア:

[(1, 1900515199930), (2, 950257599965), (5, 380103039986), (10, 190051519993), (89, 21354103370), (149, 12755135570), (178, 10677051685), (298, 6377567785), (445, 4270820674), (745, 2551027114), (890, 2135410337), (977, 1945256090), (1490, 1275513557), (1954, 972628045), (4885, 389051218), (9770, 194525609), (13261, 143316130), (14669, 129559970), (26522, 71658065), (29338, 64779985), (66305, 28663226), (73345, 25911994), (86953, 21856810), (132610, 14331613), (145573, 13055410), (146690, 12955997), (173906, 10928405), (291146, 6527705), (434765, 4371362), (727865, 2611082), (869530, 2185681), (1305541, 1455730)]