291302440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 778014720

約数和(自身を除く): 486712280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 127, 130, 143, 220, 254, 260, 286, 401, 440, 508, 520, 572, 635, 715, 802, 1016, 1144, 1270, 1397, 1430, 1604, 1651, 2005, 2540, 2794, 2860, 3208, 3302, 4010, 4411, 5080, 5213, 5588, 5720, 6604, 6985, 8020, 8255, 8822, 10426, 11176, 13208, 13970, 16040, 16510, 17644, 18161, 20852, 22055, 26065, 27940, 33020, 35288, 36322, 41704, 44110, 50927, 52130, 55880, 57343, 66040, 72644, 88220, 90805, 101854, 104260, 114686, 145288, 176440, 181610, 203708, 208520, 229372, 254635, 286715, 363220, 407416, 458744, 509270, 560197, 573430, 662051, 726440, 1018540, 1120394, 1146860, 1324102, 2037080, 2240788, 2293720, 2648204, 2800985, 3310255, 4481576, 5296408, 5601970, 6620510, 7282561, 11203940, 13241020, 14565122, 22407880, 26482040, 29130244, 36412805, 58260488, 72825610, 145651220, 291302440]

約数ペア:

[(1, 291302440), (2, 145651220), (4, 72825610), (5, 58260488), (8, 36412805), (10, 29130244), (11, 26482040), (13, 22407880), (20, 14565122), (22, 13241020), (26, 11203940), (40, 7282561), (44, 6620510), (52, 5601970), (55, 5296408), (65, 4481576), (88, 3310255), (104, 2800985), (110, 2648204), (127, 2293720), (130, 2240788), (143, 2037080), (220, 1324102), (254, 1146860), (260, 1120394), (286, 1018540), (401, 726440), (440, 662051), (508, 573430), (520, 560197), (572, 509270), (635, 458744), (715, 407416), (802, 363220), (1016, 286715), (1144, 254635), (1270, 229372), (1397, 208520), (1430, 203708), (1604, 181610), (1651, 176440), (2005, 145288), (2540, 114686), (2794, 104260), (2860, 101854), (3208, 90805), (3302, 88220), (4010, 72644), (4411, 66040), (5080, 57343), (5213, 55880), (5588, 52130), (5720, 50927), (6604, 44110), (6985, 41704), (8020, 36322), (8255, 35288), (8822, 33020), (10426, 27940), (11176, 26065), (13208, 22055), (13970, 20852), (16040, 18161), (16510, 17644)]