2051237980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 4995224640

約数和(自身を除く): 2943986660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 137, 220, 230, 242, 253, 269, 274, 460, 484, 506, 538, 548, 605, 685, 1012, 1076, 1210, 1265, 1345, 1370, 1507, 2420, 2530, 2690, 2740, 2783, 2959, 3014, 3151, 5060, 5380, 5566, 5918, 6028, 6187, 6302, 7535, 11132, 11836, 12374, 12604, 13915, 14795, 15070, 15755, 16577, 24748, 27830, 29590, 30140, 30935, 31510, 32549, 33154, 34661, 36853, 55660, 59180, 61870, 63020, 65098, 66308, 68057, 69322, 73706, 82885, 123740, 130196, 136114, 138644, 147412, 162745, 165770, 173305, 184265, 272228, 325490, 331540, 340285, 346610, 368530, 381271, 405383, 650980, 680570, 693220, 737060, 748627, 762542, 810766, 847619, 1361140, 1497254, 1525084, 1621532, 1695238, 1906355, 2026915, 2994508, 3390476, 3743135, 3812710, 4053830, 4238095, 4459213, 7486270, 7625420, 8107660, 8476190, 8918426, 9323809, 14972540, 16952380, 17836852, 18647618, 22296065, 37295236, 44592130, 46619045, 89184260, 93238090, 102561899, 186476180, 205123798, 410247596, 512809495, 1025618990, 2051237980]

約数ペア:

[(1, 2051237980), (2, 1025618990), (4, 512809495), (5, 410247596), (10, 205123798), (11, 186476180), (20, 102561899), (22, 93238090), (23, 89184260), (44, 46619045), (46, 44592130), (55, 37295236), (92, 22296065), (110, 18647618), (115, 17836852), (121, 16952380), (137, 14972540), (220, 9323809), (230, 8918426), (242, 8476190), (253, 8107660), (269, 7625420), (274, 7486270), (460, 4459213), (484, 4238095), (506, 4053830), (538, 3812710), (548, 3743135), (605, 3390476), (685, 2994508), (1012, 2026915), (1076, 1906355), (1210, 1695238), (1265, 1621532), (1345, 1525084), (1370, 1497254), (1507, 1361140), (2420, 847619), (2530, 810766), (2690, 762542), (2740, 748627), (2783, 737060), (2959, 693220), (3014, 680570), (3151, 650980), (5060, 405383), (5380, 381271), (5566, 368530), (5918, 346610), (6028, 340285), (6187, 331540), (6302, 325490), (7535, 272228), (11132, 184265), (11836, 173305), (12374, 165770), (12604, 162745), (13915, 147412), (14795, 138644), (15070, 136114), (15755, 130196), (16577, 123740), (24748, 82885), (27830, 73706), (29590, 69322), (30140, 68057), (30935, 66308), (31510, 65098), (32549, 63020), (33154, 61870), (34661, 59180), (36853, 55660)]