84420280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{301501}}^1$

素因数の和:301519

約数の個数: 32

約数和(自身を含む): 217081440

約数和(自身を除く): 132661160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 301501, 603002, 1206004, 1507505, 2110507, 2412008, 3015010, 4221014, 6030020, 8442028, 10552535, 12060040, 16884056, 21105070, 42210140, 84420280]

約数ペア:

[(1, 84420280), (2, 42210140), (4, 21105070), (5, 16884056), (7, 12060040), (8, 10552535), (10, 8442028), (14, 6030020), (20, 4221014), (28, 3015010), (35, 2412008), (40, 2110507), (56, 1507505), (70, 1206004), (140, 603002), (280, 301501)]