157430980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{27427}}^1$

素因数の和:27484

約数の個数: 48

約数和(自身を含む): 387063936

約数和(自身を除く): 229632956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 27427, 54854, 109708, 137135, 191989, 274270, 383978, 548540, 767956, 959945, 1124507, 1919890, 2249014, 3839780, 4498028, 5622535, 7871549, 11245070, 15743098, 22490140, 31486196, 39357745, 78715490, 157430980]

約数ペア:

[(1, 157430980), (2, 78715490), (4, 39357745), (5, 31486196), (7, 22490140), (10, 15743098), (14, 11245070), (20, 7871549), (28, 5622535), (35, 4498028), (41, 3839780), (70, 2249014), (82, 1919890), (140, 1124507), (164, 959945), (205, 767956), (287, 548540), (410, 383978), (574, 274270), (820, 191989), (1148, 137135), (1435, 109708), (2870, 54854), (5740, 27427)]