247658980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{541}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 533223936

約数和(自身を除く): 285564956

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 487, 541, 940, 974, 1082, 1948, 2164, 2435, 2705, 4870, 5410, 9740, 10820, 22889, 25427, 45778, 50854, 91556, 101708, 114445, 127135, 228890, 254270, 263467, 457780, 508540, 526934, 1053868, 1317335, 2634670, 5269340, 12382949, 24765898, 49531796, 61914745, 123829490, 247658980]

約数ペア:

[(1, 247658980), (2, 123829490), (4, 61914745), (5, 49531796), (10, 24765898), (20, 12382949), (47, 5269340), (94, 2634670), (188, 1317335), (235, 1053868), (470, 526934), (487, 508540), (541, 457780), (940, 263467), (974, 254270), (1082, 228890), (1948, 127135), (2164, 114445), (2435, 101708), (2705, 91556), (4870, 50854), (5410, 45778), (9740, 25427), (10820, 22889)]