221106880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 84

約数和(自身を含む): 544799520

約数和(自身を除く): 323692640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 719, 961, 992, 1240, 1438, 1922, 1984, 2480, 2876, 3595, 3844, 4805, 4960, 5752, 7190, 7688, 9610, 9920, 11504, 14380, 15376, 19220, 22289, 23008, 28760, 30752, 38440, 44578, 46016, 57520, 61504, 76880, 89156, 111445, 115040, 153760, 178312, 222890, 230080, 307520, 356624, 445780, 690959, 713248, 891560, 1381918, 1426496, 1783120, 2763836, 3454795, 3566240, 5527672, 6909590, 7132480, 11055344, 13819180, 22110688, 27638360, 44221376, 55276720, 110553440, 221106880]

約数ペア:

[(1, 221106880), (2, 110553440), (4, 55276720), (5, 44221376), (8, 27638360), (10, 22110688), (16, 13819180), (20, 11055344), (31, 7132480), (32, 6909590), (40, 5527672), (62, 3566240), (64, 3454795), (80, 2763836), (124, 1783120), (155, 1426496), (160, 1381918), (248, 891560), (310, 713248), (320, 690959), (496, 445780), (620, 356624), (719, 307520), (961, 230080), (992, 222890), (1240, 178312), (1438, 153760), (1922, 115040), (1984, 111445), (2480, 89156), (2876, 76880), (3595, 61504), (3844, 57520), (4805, 46016), (4960, 44578), (5752, 38440), (7190, 30752), (7688, 28760), (9610, 23008), (9920, 22289), (11504, 19220), (14380, 15376)]