1218996985180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{31466107}}^1$

素因数の和:31466278

約数の個数: 48

約数和(自身を含む): 2775310725600

約数和(自身を除く): 1556313740420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 38740, 31466107, 62932214, 125864428, 157330535, 314661070, 409059391, 629322140, 818118782, 1636237564, 2045296955, 4090593910, 4688449943, 8181187820, 9376899886, 18753799772, 23442249715, 46884499430, 60949849259, 93768998860, 121899698518, 243799397036, 304749246295, 609498492590, 1218996985180]

約数ペア:

[(1, 1218996985180), (2, 609498492590), (4, 304749246295), (5, 243799397036), (10, 121899698518), (13, 93768998860), (20, 60949849259), (26, 46884499430), (52, 23442249715), (65, 18753799772), (130, 9376899886), (149, 8181187820), (260, 4688449943), (298, 4090593910), (596, 2045296955), (745, 1636237564), (1490, 818118782), (1937, 629322140), (2980, 409059391), (3874, 314661070), (7748, 157330535), (9685, 125864428), (19370, 62932214), (38740, 31466107)]