90706840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{46279}}^1$

素因数の和:46304

約数の個数: 48

約数和(自身を含む): 237416400

約数和(自身を除く): 146709560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 46279, 92558, 185116, 231395, 323953, 370232, 462790, 647906, 925580, 1295812, 1619765, 1851160, 2267671, 2591624, 3239530, 4535342, 6479060, 9070684, 11338355, 12958120, 18141368, 22676710, 45353420, 90706840]

約数ペア:

[(1, 90706840), (2, 45353420), (4, 22676710), (5, 18141368), (7, 12958120), (8, 11338355), (10, 9070684), (14, 6479060), (20, 4535342), (28, 3239530), (35, 2591624), (40, 2267671), (49, 1851160), (56, 1619765), (70, 1295812), (98, 925580), (140, 647906), (196, 462790), (245, 370232), (280, 323953), (392, 231395), (490, 185116), (980, 92558), (1960, 46279)]