494897640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 1543449600

約数和(自身を除く): 1048551960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 173, 186, 248, 310, 346, 372, 465, 519, 620, 692, 744, 769, 865, 930, 1038, 1240, 1384, 1538, 1730, 1860, 2076, 2307, 2595, 3076, 3460, 3720, 3845, 4152, 4614, 5190, 5363, 6152, 6920, 7690, 9228, 10380, 10726, 11535, 15380, 16089, 18456, 20760, 21452, 23070, 23839, 26815, 30760, 32178, 42904, 46140, 47678, 53630, 64356, 71517, 80445, 92280, 95356, 107260, 119195, 128712, 133037, 143034, 160890, 190712, 214520, 238390, 266074, 286068, 321780, 357585, 399111, 476780, 532148, 572136, 643560, 665185, 715170, 798222, 953560, 1064296, 1330370, 1430340, 1596444, 1995555, 2660740, 2860680, 3192888, 3991110, 4124147, 5321480, 7982220, 8248294, 12372441, 15964440, 16496588, 20620735, 24744882, 32993176, 41241470, 49489764, 61862205, 82482940, 98979528, 123724410, 164965880, 247448820, 494897640]

約数ペア:

[(1, 494897640), (2, 247448820), (3, 164965880), (4, 123724410), (5, 98979528), (6, 82482940), (8, 61862205), (10, 49489764), (12, 41241470), (15, 32993176), (20, 24744882), (24, 20620735), (30, 16496588), (31, 15964440), (40, 12372441), (60, 8248294), (62, 7982220), (93, 5321480), (120, 4124147), (124, 3991110), (155, 3192888), (173, 2860680), (186, 2660740), (248, 1995555), (310, 1596444), (346, 1430340), (372, 1330370), (465, 1064296), (519, 953560), (620, 798222), (692, 715170), (744, 665185), (769, 643560), (865, 572136), (930, 532148), (1038, 476780), (1240, 399111), (1384, 357585), (1538, 321780), (1730, 286068), (1860, 266074), (2076, 238390), (2307, 214520), (2595, 190712), (3076, 160890), (3460, 143034), (3720, 133037), (3845, 128712), (4152, 119195), (4614, 107260), (5190, 95356), (5363, 92280), (6152, 80445), (6920, 71517), (7690, 64356), (9228, 53630), (10380, 47678), (10726, 46140), (11535, 42904), (15380, 32178), (16089, 30760), (18456, 26815), (20760, 23839), (21452, 23070)]