291217595720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4850393}}^1$

素因数の和:4850502

約数の個数: 64

約数和(自身を含む): 698456736000

約数和(自身を除く): 407239140280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 6004, 7505, 12008, 15010, 30020, 60040, 4850393, 9700786, 19401572, 24251965, 38803144, 48503930, 92157467, 97007860, 184314934, 194015720, 368629868, 383181047, 460787335, 737259736, 766362094, 921574670, 1532724188, 1843149340, 1915905235, 3065448376, 3686298680, 3831810470, 7280439893, 7663620940, 14560879786, 15327241880, 29121759572, 36402199465, 58243519144, 72804398930, 145608797860, 291217595720]

約数ペア:

[(1, 291217595720), (2, 145608797860), (4, 72804398930), (5, 58243519144), (8, 36402199465), (10, 29121759572), (19, 15327241880), (20, 14560879786), (38, 7663620940), (40, 7280439893), (76, 3831810470), (79, 3686298680), (95, 3065448376), (152, 1915905235), (158, 1843149340), (190, 1532724188), (316, 921574670), (380, 766362094), (395, 737259736), (632, 460787335), (760, 383181047), (790, 368629868), (1501, 194015720), (1580, 184314934), (3002, 97007860), (3160, 92157467), (6004, 48503930), (7505, 38803144), (12008, 24251965), (15010, 19401572), (30020, 9700786), (60040, 4850393)]