420821576

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{395509}}^1$

素因数の和:395541

約数の個数: 32

約数和(自身を含む): 949224000

約数和(自身を除く): 528402424

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 395509, 791018, 1582036, 2768563, 3164072, 5537126, 7514671, 11074252, 15029342, 22148504, 30058684, 52602697, 60117368, 105205394, 210410788, 420821576]

約数ペア:

[(1, 420821576), (2, 210410788), (4, 105205394), (7, 60117368), (8, 52602697), (14, 30058684), (19, 22148504), (28, 15029342), (38, 11074252), (56, 7514671), (76, 5537126), (133, 3164072), (152, 2768563), (266, 1582036), (532, 791018), (1064, 395509)]