28346780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 47132260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 79, 110, 140, 154, 158, 220, 233, 308, 316, 385, 395, 466, 553, 770, 790, 869, 932, 1106, 1165, 1540, 1580, 1631, 1738, 2212, 2330, 2563, 2765, 3262, 3476, 4345, 4660, 5126, 5530, 6083, 6524, 8155, 8690, 10252, 11060, 12166, 12815, 16310, 17380, 17941, 18407, 24332, 25630, 30415, 32620, 35882, 36814, 51260, 60830, 71764, 73628, 89705, 92035, 121660, 128849, 179410, 184070, 202477, 257698, 358820, 368140, 404954, 515396, 644245, 809908, 1012385, 1288490, 1417339, 2024770, 2576980, 2834678, 4049540, 5669356, 7086695, 14173390, 28346780]

約数ペア:

[(1, 28346780), (2, 14173390), (4, 7086695), (5, 5669356), (7, 4049540), (10, 2834678), (11, 2576980), (14, 2024770), (20, 1417339), (22, 1288490), (28, 1012385), (35, 809908), (44, 644245), (55, 515396), (70, 404954), (77, 368140), (79, 358820), (110, 257698), (140, 202477), (154, 184070), (158, 179410), (220, 128849), (233, 121660), (308, 92035), (316, 89705), (385, 73628), (395, 71764), (466, 60830), (553, 51260), (770, 36814), (790, 35882), (869, 32620), (932, 30415), (1106, 25630), (1165, 24332), (1540, 18407), (1580, 17941), (1631, 17380), (1738, 16310), (2212, 12815), (2330, 12166), (2563, 11060), (2765, 10252), (3262, 8690), (3476, 8155), (4345, 6524), (4660, 6083), (5126, 5530)]