74783020520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{19861}}^1$

素因数の和:20455

約数の個数: 96

約数和(自身を含む): 182536944120

約数和(自身を除く): 107753923600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 557, 676, 845, 1114, 1352, 1690, 2228, 2785, 3380, 4456, 5570, 6760, 7241, 11140, 14482, 19861, 22280, 28964, 36205, 39722, 57928, 72410, 79444, 94133, 99305, 144820, 158888, 188266, 198610, 258193, 289640, 376532, 397220, 470665, 516386, 753064, 794440, 941330, 1032772, 1290965, 1882660, 2065544, 2581930, 3356509, 3765320, 5163860, 6713018, 10327720, 11062577, 13426036, 16782545, 22125154, 26852072, 33565090, 44250308, 55312885, 67130180, 88500616, 110625770, 134260360, 143813501, 221251540, 287627002, 442503080, 575254004, 719067505, 1150508008, 1438135010, 1869575513, 2876270020, 3739151026, 5752540040, 7478302052, 9347877565, 14956604104, 18695755130, 37391510260, 74783020520]

約数ペア:

[(1, 74783020520), (2, 37391510260), (4, 18695755130), (5, 14956604104), (8, 9347877565), (10, 7478302052), (13, 5752540040), (20, 3739151026), (26, 2876270020), (40, 1869575513), (52, 1438135010), (65, 1150508008), (104, 719067505), (130, 575254004), (169, 442503080), (260, 287627002), (338, 221251540), (520, 143813501), (557, 134260360), (676, 110625770), (845, 88500616), (1114, 67130180), (1352, 55312885), (1690, 44250308), (2228, 33565090), (2785, 26852072), (3380, 22125154), (4456, 16782545), (5570, 13426036), (6760, 11062577), (7241, 10327720), (11140, 6713018), (14482, 5163860), (19861, 3765320), (22280, 3356509), (28964, 2581930), (36205, 2065544), (39722, 1882660), (57928, 1290965), (72410, 1032772), (79444, 941330), (94133, 794440), (99305, 753064), (144820, 516386), (158888, 470665), (188266, 397220), (198610, 376532), (258193, 289640)]