989668890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1570903}}^1$

素因数の和:1570923

約数の個数: 48

約数和(自身を含む): 2940732288

約数和(自身を除く): 1951063398

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1570903, 3141806, 4712709, 7854515, 9425418, 10996321, 14138127, 15709030, 21992642, 23563545, 28276254, 32988963, 47127090, 54981605, 65977926, 70690635, 98966889, 109963210, 141381270, 164944815, 197933778, 329889630, 494834445, 989668890]

約数ペア:

[(1, 989668890), (2, 494834445), (3, 329889630), (5, 197933778), (6, 164944815), (7, 141381270), (9, 109963210), (10, 98966889), (14, 70690635), (15, 65977926), (18, 54981605), (21, 47127090), (30, 32988963), (35, 28276254), (42, 23563545), (45, 21992642), (63, 15709030), (70, 14138127), (90, 10996321), (105, 9425418), (126, 7854515), (210, 4712709), (315, 3141806), (630, 1570903)]