980420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 2419200

約数和(自身を除く): 1438780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 149, 188, 235, 298, 329, 470, 596, 658, 745, 940, 1043, 1316, 1490, 1645, 2086, 2980, 3290, 4172, 5215, 6580, 7003, 10430, 14006, 20860, 28012, 35015, 49021, 70030, 98042, 140060, 196084, 245105, 490210, 980420]

約数ペア:

[(1, 980420), (2, 490210), (4, 245105), (5, 196084), (7, 140060), (10, 98042), (14, 70030), (20, 49021), (28, 35015), (35, 28012), (47, 20860), (70, 14006), (94, 10430), (140, 7003), (149, 6580), (188, 5215), (235, 4172), (298, 3290), (329, 2980), (470, 2086), (596, 1645), (658, 1490), (745, 1316), (940, 1043)]