2017225780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1\times {\mathrm{1327}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 4520533248

約数和(自身を除く): 2503307468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 289, 340, 526, 578, 1052, 1156, 1315, 1327, 1445, 2630, 2654, 2890, 4471, 5260, 5308, 5780, 6635, 8942, 13270, 17884, 22355, 22559, 26540, 44710, 45118, 76007, 89420, 90236, 112795, 152014, 225590, 304028, 349001, 380035, 383503, 451180, 698002, 760070, 767006, 1396004, 1520140, 1534012, 1745005, 1917515, 3490010, 3835030, 5933017, 6980020, 7670060, 11866034, 23732068, 29665085, 59330170, 100861289, 118660340, 201722578, 403445156, 504306445, 1008612890, 2017225780]

約数ペア:

[(1, 2017225780), (2, 1008612890), (4, 504306445), (5, 403445156), (10, 201722578), (17, 118660340), (20, 100861289), (34, 59330170), (68, 29665085), (85, 23732068), (170, 11866034), (263, 7670060), (289, 6980020), (340, 5933017), (526, 3835030), (578, 3490010), (1052, 1917515), (1156, 1745005), (1315, 1534012), (1327, 1520140), (1445, 1396004), (2630, 767006), (2654, 760070), (2890, 698002), (4471, 451180), (5260, 383503), (5308, 380035), (5780, 349001), (6635, 304028), (8942, 225590), (13270, 152014), (17884, 112795), (22355, 90236), (22559, 89420), (26540, 76007), (44710, 45118)]