988403220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{784447}}^1$

素因数の和:784469

約数の個数: 72

約数和(自身を含む): 3426468864

約数和(自身を除く): 2438065644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 784447, 1568894, 2353341, 3137788, 3922235, 4706682, 5491129, 7060023, 7844470, 9413364, 10982258, 11766705, 14120046, 15688940, 16473387, 21964516, 23533410, 27455645, 28240092, 32946774, 35300115, 47066820, 49420161, 54911290, 65893548, 70600230, 82366935, 98840322, 109822580, 141200460, 164733870, 197680644, 247100805, 329467740, 494201610, 988403220]

約数ペア:

[(1, 988403220), (2, 494201610), (3, 329467740), (4, 247100805), (5, 197680644), (6, 164733870), (7, 141200460), (9, 109822580), (10, 98840322), (12, 82366935), (14, 70600230), (15, 65893548), (18, 54911290), (20, 49420161), (21, 47066820), (28, 35300115), (30, 32946774), (35, 28240092), (36, 27455645), (42, 23533410), (45, 21964516), (60, 16473387), (63, 15688940), (70, 14120046), (84, 11766705), (90, 10982258), (105, 9413364), (126, 7844470), (140, 7060023), (180, 5491129), (210, 4706682), (252, 3922235), (315, 3137788), (420, 2353341), (630, 1568894), (1260, 784447)]