394317220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1441

約数の個数: 72

約数和(自身を含む): 918070272

約数和(自身を除く): 523753052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 127, 220, 242, 254, 484, 508, 605, 635, 1210, 1270, 1283, 1397, 2420, 2540, 2566, 2794, 5132, 5588, 6415, 6985, 12830, 13970, 14113, 15367, 25660, 27940, 28226, 30734, 56452, 61468, 70565, 76835, 141130, 153670, 155243, 162941, 282260, 307340, 310486, 325882, 620972, 651764, 776215, 814705, 1552430, 1629410, 1792351, 3104860, 3258820, 3584702, 7169404, 8961755, 17923510, 19715861, 35847020, 39431722, 78863444, 98579305, 197158610, 394317220]

約数ペア:

[(1, 394317220), (2, 197158610), (4, 98579305), (5, 78863444), (10, 39431722), (11, 35847020), (20, 19715861), (22, 17923510), (44, 8961755), (55, 7169404), (110, 3584702), (121, 3258820), (127, 3104860), (220, 1792351), (242, 1629410), (254, 1552430), (484, 814705), (508, 776215), (605, 651764), (635, 620972), (1210, 325882), (1270, 310486), (1283, 307340), (1397, 282260), (2420, 162941), (2540, 155243), (2566, 153670), (2794, 141130), (5132, 76835), (5588, 70565), (6415, 61468), (6985, 56452), (12830, 30734), (13970, 28226), (14113, 27940), (15367, 25660)]