2012488280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:741

約数の個数: 128

約数和(自身を含む): 5091024960

約数和(自身を除く): 3078536680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 281, 328, 397, 410, 440, 451, 562, 794, 820, 902, 1124, 1405, 1588, 1640, 1804, 1985, 2248, 2255, 2810, 3091, 3176, 3608, 3970, 4367, 4510, 5620, 6182, 7940, 8734, 9020, 11240, 11521, 12364, 15455, 15880, 16277, 17468, 18040, 21835, 23042, 24728, 30910, 32554, 34936, 43670, 46084, 57605, 61820, 65108, 81385, 87340, 92168, 111557, 115210, 123640, 126731, 130216, 162770, 174680, 179047, 223114, 230420, 253462, 325540, 358094, 446228, 460840, 506924, 557785, 633655, 651080, 716188, 892456, 895235, 1013848, 1115570, 1227127, 1267310, 1432376, 1790470, 2231140, 2454254, 2534620, 3580940, 4462280, 4573837, 4908508, 5069240, 6135635, 7161880, 9147674, 9817016, 12271270, 18295348, 22869185, 24542540, 36590696, 45738370, 49085080, 50312207, 91476740, 100624414, 182953480, 201248828, 251561035, 402497656, 503122070, 1006244140, 2012488280]

約数ペア:

[(1, 2012488280), (2, 1006244140), (4, 503122070), (5, 402497656), (8, 251561035), (10, 201248828), (11, 182953480), (20, 100624414), (22, 91476740), (40, 50312207), (41, 49085080), (44, 45738370), (55, 36590696), (82, 24542540), (88, 22869185), (110, 18295348), (164, 12271270), (205, 9817016), (220, 9147674), (281, 7161880), (328, 6135635), (397, 5069240), (410, 4908508), (440, 4573837), (451, 4462280), (562, 3580940), (794, 2534620), (820, 2454254), (902, 2231140), (1124, 1790470), (1405, 1432376), (1588, 1267310), (1640, 1227127), (1804, 1115570), (1985, 1013848), (2248, 895235), (2255, 892456), (2810, 716188), (3091, 651080), (3176, 633655), (3608, 557785), (3970, 506924), (4367, 460840), (4510, 446228), (5620, 358094), (6182, 325540), (7940, 253462), (8734, 230420), (9020, 223114), (11240, 179047), (11521, 174680), (12364, 162770), (15455, 130216), (15880, 126731), (16277, 123640), (17468, 115210), (18040, 111557), (21835, 92168), (23042, 87340), (24728, 81385), (30910, 65108), (32554, 61820), (34936, 57605), (43670, 46084)]