49784240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 131606160

約数和(自身を除く): 81821920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 121, 139, 148, 176, 185, 220, 242, 278, 296, 370, 407, 440, 484, 556, 592, 605, 695, 740, 814, 880, 968, 1112, 1210, 1390, 1480, 1529, 1628, 1936, 2035, 2224, 2420, 2780, 2960, 3058, 3256, 4070, 4477, 4840, 5143, 5560, 6116, 6512, 7645, 8140, 8954, 9680, 10286, 11120, 12232, 15290, 16280, 16819, 17908, 20572, 22385, 24464, 25715, 30580, 32560, 33638, 35816, 41144, 44770, 51430, 56573, 61160, 67276, 71632, 82288, 84095, 89540, 102860, 113146, 122320, 134552, 168190, 179080, 205720, 226292, 269104, 282865, 336380, 358160, 411440, 452584, 565730, 622303, 672760, 905168, 1131460, 1244606, 1345520, 2262920, 2489212, 3111515, 4525840, 4978424, 6223030, 9956848, 12446060, 24892120, 49784240]

約数ペア:

[(1, 49784240), (2, 24892120), (4, 12446060), (5, 9956848), (8, 6223030), (10, 4978424), (11, 4525840), (16, 3111515), (20, 2489212), (22, 2262920), (37, 1345520), (40, 1244606), (44, 1131460), (55, 905168), (74, 672760), (80, 622303), (88, 565730), (110, 452584), (121, 411440), (139, 358160), (148, 336380), (176, 282865), (185, 269104), (220, 226292), (242, 205720), (278, 179080), (296, 168190), (370, 134552), (407, 122320), (440, 113146), (484, 102860), (556, 89540), (592, 84095), (605, 82288), (695, 71632), (740, 67276), (814, 61160), (880, 56573), (968, 51430), (1112, 44770), (1210, 41144), (1390, 35816), (1480, 33638), (1529, 32560), (1628, 30580), (1936, 25715), (2035, 24464), (2224, 22385), (2420, 20572), (2780, 17908), (2960, 16819), (3058, 16280), (3256, 15290), (4070, 12232), (4477, 11120), (4840, 10286), (5143, 9680), (5560, 8954), (6116, 8140), (6512, 7645)]