1951798940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{56443}}^1$

素因数の和:56491

約数の個数: 96

約数和(自身を含む): 5310251520

約数和(自身を除く): 3358452580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 34580, 56443, 112886, 225772, 282215, 395101, 564430, 733759, 790202, 1072417, 1128860, 1467518, 1580404, 1975505, 2144834, 2935036, 3668795, 3951010, 4289668, 5136313, 5362085, 7337590, 7506919, 7902020, 10272626, 10724170, 13941421, 14675180, 15013838, 20545252, 21448340, 25681565, 27882842, 30027676, 37534595, 51363130, 55765684, 69707105, 75069190, 97589947, 102726260, 139414210, 150138380, 195179894, 278828420, 390359788, 487949735, 975899470, 1951798940]

約数ペア:

[(1, 1951798940), (2, 975899470), (4, 487949735), (5, 390359788), (7, 278828420), (10, 195179894), (13, 150138380), (14, 139414210), (19, 102726260), (20, 97589947), (26, 75069190), (28, 69707105), (35, 55765684), (38, 51363130), (52, 37534595), (65, 30027676), (70, 27882842), (76, 25681565), (91, 21448340), (95, 20545252), (130, 15013838), (133, 14675180), (140, 13941421), (182, 10724170), (190, 10272626), (247, 7902020), (260, 7506919), (266, 7337590), (364, 5362085), (380, 5136313), (455, 4289668), (494, 3951010), (532, 3668795), (665, 2935036), (910, 2144834), (988, 1975505), (1235, 1580404), (1330, 1467518), (1729, 1128860), (1820, 1072417), (2470, 790202), (2660, 733759), (3458, 564430), (4940, 395101), (6916, 282215), (8645, 225772), (17290, 112886), (34580, 56443)]