27800500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 144

約数和(自身を含む): 76737024

約数和(自身を除く): 48936524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 47, 50, 52, 65, 70, 91, 94, 100, 125, 130, 140, 169, 175, 182, 188, 235, 250, 260, 325, 329, 338, 350, 364, 455, 470, 500, 611, 650, 658, 676, 700, 845, 875, 910, 940, 1175, 1183, 1222, 1300, 1316, 1625, 1645, 1690, 1750, 1820, 2275, 2350, 2366, 2444, 3055, 3250, 3290, 3380, 3500, 4225, 4277, 4550, 4700, 4732, 5875, 5915, 6110, 6500, 6580, 7943, 8225, 8450, 8554, 9100, 11375, 11750, 11830, 12220, 15275, 15886, 16450, 16900, 17108, 21125, 21385, 22750, 23500, 23660, 29575, 30550, 31772, 32900, 39715, 41125, 42250, 42770, 45500, 55601, 59150, 61100, 76375, 79430, 82250, 84500, 85540, 106925, 111202, 118300, 147875, 152750, 158860, 164500, 198575, 213850, 222404, 278005, 295750, 305500, 397150, 427700, 534625, 556010, 591500, 794300, 992875, 1069250, 1112020, 1390025, 1985750, 2138500, 2780050, 3971500, 5560100, 6950125, 13900250, 27800500]

約数ペア:

[(1, 27800500), (2, 13900250), (4, 6950125), (5, 5560100), (7, 3971500), (10, 2780050), (13, 2138500), (14, 1985750), (20, 1390025), (25, 1112020), (26, 1069250), (28, 992875), (35, 794300), (47, 591500), (50, 556010), (52, 534625), (65, 427700), (70, 397150), (91, 305500), (94, 295750), (100, 278005), (125, 222404), (130, 213850), (140, 198575), (169, 164500), (175, 158860), (182, 152750), (188, 147875), (235, 118300), (250, 111202), (260, 106925), (325, 85540), (329, 84500), (338, 82250), (350, 79430), (364, 76375), (455, 61100), (470, 59150), (500, 55601), (611, 45500), (650, 42770), (658, 42250), (676, 41125), (700, 39715), (845, 32900), (875, 31772), (910, 30550), (940, 29575), (1175, 23660), (1183, 23500), (1222, 22750), (1300, 21385), (1316, 21125), (1625, 17108), (1645, 16900), (1690, 16450), (1750, 15886), (1820, 15275), (2275, 12220), (2350, 11830), (2366, 11750), (2444, 11375), (3055, 9100), (3250, 8554), (3290, 8450), (3380, 8225), (3500, 7943), (4225, 6580), (4277, 6500), (4550, 6110), (4700, 5915), (4732, 5875)]