355228020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281927}}^1$

素因数の和:281949

約数の個数: 72

約数和(自身を含む): 1231461504

約数和(自身を除く): 876233484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 281927, 563854, 845781, 1127708, 1409635, 1691562, 1973489, 2537343, 2819270, 3383124, 3946978, 4228905, 5074686, 5638540, 5920467, 7893956, 8457810, 9867445, 10149372, 11840934, 12686715, 16915620, 17761401, 19734890, 23681868, 25373430, 29602335, 35522802, 39469780, 50746860, 59204670, 71045604, 88807005, 118409340, 177614010, 355228020]

約数ペア:

[(1, 355228020), (2, 177614010), (3, 118409340), (4, 88807005), (5, 71045604), (6, 59204670), (7, 50746860), (9, 39469780), (10, 35522802), (12, 29602335), (14, 25373430), (15, 23681868), (18, 19734890), (20, 17761401), (21, 16915620), (28, 12686715), (30, 11840934), (35, 10149372), (36, 9867445), (42, 8457810), (45, 7893956), (60, 5920467), (63, 5638540), (70, 5074686), (84, 4228905), (90, 3946978), (105, 3383124), (126, 2819270), (140, 2537343), (180, 1973489), (210, 1691562), (252, 1409635), (315, 1127708), (420, 845781), (630, 563854), (1260, 281927)]