890804320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{113623}}^1$

素因数の和:113652

約数の個数: 72

約数和(自身を含む): 2448142704

約数和(自身を除く): 1557338384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 113623, 227246, 454492, 568115, 795361, 908984, 1136230, 1590722, 1817968, 2272460, 3181444, 3635936, 3976805, 4544920, 5567527, 6362888, 7953610, 9089840, 11135054, 12725776, 15907220, 18179680, 22270108, 25451552, 27837635, 31814440, 44540216, 55675270, 63628880, 89080432, 111350540, 127257760, 178160864, 222701080, 445402160, 890804320]

約数ペア:

[(1, 890804320), (2, 445402160), (4, 222701080), (5, 178160864), (7, 127257760), (8, 111350540), (10, 89080432), (14, 63628880), (16, 55675270), (20, 44540216), (28, 31814440), (32, 27837635), (35, 25451552), (40, 22270108), (49, 18179680), (56, 15907220), (70, 12725776), (80, 11135054), (98, 9089840), (112, 7953610), (140, 6362888), (160, 5567527), (196, 4544920), (224, 3976805), (245, 3635936), (280, 3181444), (392, 2272460), (490, 1817968), (560, 1590722), (784, 1136230), (980, 908984), (1120, 795361), (1568, 568115), (1960, 454492), (3920, 227246), (7840, 113623)]