7988540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 19633152

約数和(自身を除く): 11644612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1327, 1505, 2654, 3010, 5308, 6020, 6635, 9289, 13270, 18578, 26540, 37156, 46445, 57061, 92890, 114122, 185780, 228244, 285305, 399427, 570610, 798854, 1141220, 1597708, 1997135, 3994270, 7988540]

約数ペア:

[(1, 7988540), (2, 3994270), (4, 1997135), (5, 1597708), (7, 1141220), (10, 798854), (14, 570610), (20, 399427), (28, 285305), (35, 228244), (43, 185780), (70, 114122), (86, 92890), (140, 57061), (172, 46445), (215, 37156), (301, 26540), (430, 18578), (602, 13270), (860, 9289), (1204, 6635), (1327, 6020), (1505, 5308), (2654, 3010)]