519789920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 144

約数和(自身を含む): 1361344320

約数和(自身を除く): 841554400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 65, 80, 94, 104, 130, 160, 169, 188, 208, 235, 260, 338, 376, 409, 416, 470, 520, 611, 676, 752, 818, 845, 940, 1040, 1222, 1352, 1504, 1636, 1690, 1880, 2045, 2080, 2444, 2704, 3055, 3272, 3380, 3760, 4090, 4888, 5317, 5408, 6110, 6544, 6760, 7520, 7943, 8180, 9776, 10634, 12220, 13088, 13520, 15886, 16360, 19223, 19552, 21268, 24440, 26585, 27040, 31772, 32720, 38446, 39715, 42536, 48880, 53170, 63544, 65440, 69121, 76892, 79430, 85072, 96115, 97760, 106340, 127088, 138242, 153784, 158860, 170144, 192230, 212680, 249899, 254176, 276484, 307568, 317720, 345605, 384460, 425360, 499798, 552968, 615136, 635440, 691210, 768920, 850720, 999596, 1105936, 1249495, 1270880, 1382420, 1537840, 1999192, 2211872, 2498990, 2764840, 3075680, 3248687, 3998384, 4997980, 5529680, 6497374, 7996768, 9995960, 11059360, 12994748, 16243435, 19991920, 25989496, 32486870, 39983840, 51978992, 64973740, 103957984, 129947480, 259894960, 519789920]

約数ペア:

[(1, 519789920), (2, 259894960), (4, 129947480), (5, 103957984), (8, 64973740), (10, 51978992), (13, 39983840), (16, 32486870), (20, 25989496), (26, 19991920), (32, 16243435), (40, 12994748), (47, 11059360), (52, 9995960), (65, 7996768), (80, 6497374), (94, 5529680), (104, 4997980), (130, 3998384), (160, 3248687), (169, 3075680), (188, 2764840), (208, 2498990), (235, 2211872), (260, 1999192), (338, 1537840), (376, 1382420), (409, 1270880), (416, 1249495), (470, 1105936), (520, 999596), (611, 850720), (676, 768920), (752, 691210), (818, 635440), (845, 615136), (940, 552968), (1040, 499798), (1222, 425360), (1352, 384460), (1504, 345605), (1636, 317720), (1690, 307568), (1880, 276484), (2045, 254176), (2080, 249899), (2444, 212680), (2704, 192230), (3055, 170144), (3272, 158860), (3380, 153784), (3760, 138242), (4090, 127088), (4888, 106340), (5317, 97760), (5408, 96115), (6110, 85072), (6544, 79430), (6760, 76892), (7520, 69121), (7943, 65440), (8180, 63544), (9776, 53170), (10634, 48880), (12220, 42536), (13088, 39715), (13520, 38446), (15886, 32720), (16360, 31772), (19223, 27040), (19552, 26585), (21268, 24440)]