80190460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 200176704

約数和(自身を除く): 119986244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 1741, 2303, 3290, 3482, 4606, 6580, 6964, 8705, 9212, 11515, 12187, 17410, 23030, 24374, 34820, 46060, 48748, 60935, 81827, 85309, 121870, 163654, 170618, 243740, 327308, 341236, 409135, 426545, 572789, 818270, 853090, 1145578, 1636540, 1706180, 2291156, 2863945, 4009523, 5727890, 8019046, 11455780, 16038092, 20047615, 40095230, 80190460]

約数ペア:

[(1, 80190460), (2, 40095230), (4, 20047615), (5, 16038092), (7, 11455780), (10, 8019046), (14, 5727890), (20, 4009523), (28, 2863945), (35, 2291156), (47, 1706180), (49, 1636540), (70, 1145578), (94, 853090), (98, 818270), (140, 572789), (188, 426545), (196, 409135), (235, 341236), (245, 327308), (329, 243740), (470, 170618), (490, 163654), (658, 121870), (940, 85309), (980, 81827), (1316, 60935), (1645, 48748), (1741, 46060), (2303, 34820), (3290, 24374), (3482, 23030), (4606, 17410), (6580, 12187), (6964, 11515), (8705, 9212)]