219874935

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 205904265

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 307, 359, 399, 665, 921, 1077, 1535, 1795, 1995, 2149, 2513, 4605, 5385, 5833, 6447, 6821, 7539, 10745, 12565, 17499, 20463, 29165, 32235, 34105, 37695, 40831, 47747, 87495, 102315, 110213, 122493, 143241, 204155, 238735, 330639, 551065, 612465, 716205, 771491, 1653195, 2094047, 2314473, 3857455, 6282141, 10470235, 11572365, 14658329, 31410705, 43974987, 73291645, 219874935]

約数ペア:

[(1, 219874935), (3, 73291645), (5, 43974987), (7, 31410705), (15, 14658329), (19, 11572365), (21, 10470235), (35, 6282141), (57, 3857455), (95, 2314473), (105, 2094047), (133, 1653195), (285, 771491), (307, 716205), (359, 612465), (399, 551065), (665, 330639), (921, 238735), (1077, 204155), (1535, 143241), (1795, 122493), (1995, 110213), (2149, 102315), (2513, 87495), (4605, 47747), (5385, 40831), (5833, 37695), (6447, 34105), (6821, 32235), (7539, 29165), (10745, 20463), (12565, 17499)]