20805930250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{919}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 47244487680

約数和(自身を除く): 26438557430

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 595, 761, 850, 875, 919, 1190, 1522, 1750, 1838, 2125, 2975, 3805, 4250, 4595, 5327, 5950, 6433, 7610, 9190, 10654, 12866, 12937, 14875, 15623, 19025, 22975, 25874, 26635, 29750, 31246, 32165, 38050, 45950, 53270, 64330, 64685, 78115, 90559, 95125, 109361, 114875, 129370, 133175, 156230, 160825, 181118, 190250, 218722, 229750, 266350, 321650, 323425, 390575, 452795, 546805, 646850, 665875, 699359, 781150, 804125, 905590, 1093610, 1331750, 1398718, 1608250, 1617125, 1952875, 2263975, 2734025, 3234250, 3496795, 3905750, 4527950, 4895513, 5468050, 6993590, 9791026, 11319875, 11889103, 13670125, 17483975, 22639750, 23778206, 24477565, 27340250, 34967950, 48955130, 59445515, 83223721, 87419875, 118891030, 122387825, 166447442, 174839750, 244775650, 297227575, 416118605, 594455150, 611939125, 832237210, 1223878250, 1486137875, 2080593025, 2972275750, 4161186050, 10402965125, 20805930250]

約数ペア:

[(1, 20805930250), (2, 10402965125), (5, 4161186050), (7, 2972275750), (10, 2080593025), (14, 1486137875), (17, 1223878250), (25, 832237210), (34, 611939125), (35, 594455150), (50, 416118605), (70, 297227575), (85, 244775650), (119, 174839750), (125, 166447442), (170, 122387825), (175, 118891030), (238, 87419875), (250, 83223721), (350, 59445515), (425, 48955130), (595, 34967950), (761, 27340250), (850, 24477565), (875, 23778206), (919, 22639750), (1190, 17483975), (1522, 13670125), (1750, 11889103), (1838, 11319875), (2125, 9791026), (2975, 6993590), (3805, 5468050), (4250, 4895513), (4595, 4527950), (5327, 3905750), (5950, 3496795), (6433, 3234250), (7610, 2734025), (9190, 2263975), (10654, 1952875), (12866, 1617125), (12937, 1608250), (14875, 1398718), (15623, 1331750), (19025, 1093610), (22975, 905590), (25874, 804125), (26635, 781150), (29750, 699359), (31246, 665875), (32165, 646850), (38050, 546805), (45950, 452795), (53270, 390575), (64330, 323425), (64685, 321650), (78115, 266350), (90559, 229750), (95125, 218722), (109361, 190250), (114875, 181118), (129370, 160825), (133175, 156230)]