78401260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2467}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 189068544

約数和(自身を除く): 110667284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 2467, 3178, 4540, 4934, 6356, 7945, 9868, 12335, 15890, 17269, 24670, 31780, 34538, 49340, 69076, 86345, 172690, 345380, 560009, 1120018, 2240036, 2800045, 3920063, 5600090, 7840126, 11200180, 15680252, 19600315, 39200630, 78401260]

約数ペア:

[(1, 78401260), (2, 39200630), (4, 19600315), (5, 15680252), (7, 11200180), (10, 7840126), (14, 5600090), (20, 3920063), (28, 2800045), (35, 2240036), (70, 1120018), (140, 560009), (227, 345380), (454, 172690), (908, 86345), (1135, 69076), (1589, 49340), (2270, 34538), (2467, 31780), (3178, 24670), (4540, 17269), (4934, 15890), (6356, 12335), (7945, 9868)]