196521520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{811}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 494780832

約数和(自身を除く): 298259312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 233, 260, 466, 520, 811, 932, 1040, 1165, 1622, 1864, 2330, 3029, 3244, 3728, 4055, 4660, 6058, 6488, 8110, 9320, 10543, 12116, 12976, 15145, 16220, 18640, 21086, 24232, 30290, 32440, 42172, 48464, 52715, 60580, 64880, 84344, 105430, 121160, 168688, 188963, 210860, 242320, 377926, 421720, 755852, 843440, 944815, 1511704, 1889630, 2456519, 3023408, 3779260, 4913038, 7558520, 9826076, 12282595, 15117040, 19652152, 24565190, 39304304, 49130380, 98260760, 196521520]

約数ペア:

[(1, 196521520), (2, 98260760), (4, 49130380), (5, 39304304), (8, 24565190), (10, 19652152), (13, 15117040), (16, 12282595), (20, 9826076), (26, 7558520), (40, 4913038), (52, 3779260), (65, 3023408), (80, 2456519), (104, 1889630), (130, 1511704), (208, 944815), (233, 843440), (260, 755852), (466, 421720), (520, 377926), (811, 242320), (932, 210860), (1040, 188963), (1165, 168688), (1622, 121160), (1864, 105430), (2330, 84344), (3029, 64880), (3244, 60580), (3728, 52715), (4055, 48464), (4660, 42172), (6058, 32440), (6488, 30290), (8110, 24232), (9320, 21086), (10543, 18640), (12116, 16220), (12976, 15145)]