204518080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:474

約数の個数: 112

約数和(自身を含む): 529218144

約数和(自身を除く): 324700064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 211, 233, 260, 320, 416, 422, 466, 520, 832, 844, 932, 1040, 1055, 1165, 1688, 1864, 2080, 2110, 2330, 2743, 3029, 3376, 3728, 4160, 4220, 4660, 5486, 6058, 6752, 7456, 8440, 9320, 10972, 12116, 13504, 13715, 14912, 15145, 16880, 18640, 21944, 24232, 27430, 30290, 33760, 37280, 43888, 48464, 49163, 54860, 60580, 67520, 74560, 87776, 96928, 98326, 109720, 121160, 175552, 193856, 196652, 219440, 242320, 245815, 393304, 438880, 484640, 491630, 639119, 786608, 877760, 969280, 983260, 1278238, 1573216, 1966520, 2556476, 3146432, 3195595, 3933040, 5112952, 6391190, 7866080, 10225904, 12782380, 15732160, 20451808, 25564760, 40903616, 51129520, 102259040, 204518080]

約数ペア:

[(1, 204518080), (2, 102259040), (4, 51129520), (5, 40903616), (8, 25564760), (10, 20451808), (13, 15732160), (16, 12782380), (20, 10225904), (26, 7866080), (32, 6391190), (40, 5112952), (52, 3933040), (64, 3195595), (65, 3146432), (80, 2556476), (104, 1966520), (130, 1573216), (160, 1278238), (208, 983260), (211, 969280), (233, 877760), (260, 786608), (320, 639119), (416, 491630), (422, 484640), (466, 438880), (520, 393304), (832, 245815), (844, 242320), (932, 219440), (1040, 196652), (1055, 193856), (1165, 175552), (1688, 121160), (1864, 109720), (2080, 98326), (2110, 96928), (2330, 87776), (2743, 74560), (3029, 67520), (3376, 60580), (3728, 54860), (4160, 49163), (4220, 48464), (4660, 43888), (5486, 37280), (6058, 33760), (6752, 30290), (7456, 27430), (8440, 24232), (9320, 21944), (10972, 18640), (12116, 16880), (13504, 15145), (13715, 14912)]