208069540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16699}}^1$

素因数の和:16804

約数の個数: 48

約数和(自身を含む): 505008000

約数和(自身を除く): 296938460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 16699, 33398, 66796, 83495, 116893, 166990, 233786, 333980, 467572, 584465, 1168930, 1486211, 2337860, 2972422, 5944844, 7431055, 10403477, 14862110, 20806954, 29724220, 41613908, 52017385, 104034770, 208069540]

約数ペア:

[(1, 208069540), (2, 104034770), (4, 52017385), (5, 41613908), (7, 29724220), (10, 20806954), (14, 14862110), (20, 10403477), (28, 7431055), (35, 5944844), (70, 2972422), (89, 2337860), (140, 1486211), (178, 1168930), (356, 584465), (445, 467572), (623, 333980), (890, 233786), (1246, 166990), (1780, 116893), (2492, 83495), (3115, 66796), (6230, 33398), (12460, 16699)]