213188840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 544008960

約数和(自身を除く): 330820120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 43, 46, 68, 85, 86, 92, 115, 136, 170, 172, 184, 215, 230, 317, 340, 344, 391, 430, 460, 634, 680, 731, 782, 860, 920, 989, 1268, 1462, 1564, 1585, 1720, 1955, 1978, 2536, 2924, 3128, 3170, 3655, 3910, 3956, 4945, 5389, 5848, 6340, 7291, 7310, 7820, 7912, 9890, 10778, 12680, 13631, 14582, 14620, 15640, 16813, 19780, 21556, 26945, 27262, 29164, 29240, 33626, 36455, 39560, 43112, 53890, 54524, 58328, 67252, 68155, 72910, 84065, 107780, 109048, 123947, 134504, 136310, 145820, 168130, 215560, 231727, 247894, 272620, 291640, 313513, 336260, 463454, 495788, 545240, 619735, 627026, 672520, 926908, 991576, 1158635, 1239470, 1254052, 1567565, 1853816, 2317270, 2478940, 2508104, 3135130, 4634540, 4957880, 5329721, 6270260, 9269080, 10659442, 12540520, 21318884, 26648605, 42637768, 53297210, 106594420, 213188840]

約数ペア:

[(1, 213188840), (2, 106594420), (4, 53297210), (5, 42637768), (8, 26648605), (10, 21318884), (17, 12540520), (20, 10659442), (23, 9269080), (34, 6270260), (40, 5329721), (43, 4957880), (46, 4634540), (68, 3135130), (85, 2508104), (86, 2478940), (92, 2317270), (115, 1853816), (136, 1567565), (170, 1254052), (172, 1239470), (184, 1158635), (215, 991576), (230, 926908), (317, 672520), (340, 627026), (344, 619735), (391, 545240), (430, 495788), (460, 463454), (634, 336260), (680, 313513), (731, 291640), (782, 272620), (860, 247894), (920, 231727), (989, 215560), (1268, 168130), (1462, 145820), (1564, 136310), (1585, 134504), (1720, 123947), (1955, 109048), (1978, 107780), (2536, 84065), (2924, 72910), (3128, 68155), (3170, 67252), (3655, 58328), (3910, 54524), (3956, 53890), (4945, 43112), (5389, 39560), (5848, 36455), (6340, 33626), (7291, 29240), (7310, 29164), (7820, 27262), (7912, 26945), (9890, 21556), (10778, 19780), (12680, 16813), (13631, 15640), (14582, 14620)]