222219520

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1367}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 536868864

約数和(自身を除く): 314649344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 1367, 2032, 2540, 2734, 4064, 5080, 5468, 6835, 8128, 10160, 10936, 13670, 16256, 20320, 21872, 27340, 32512, 40640, 43744, 54680, 81280, 87488, 109360, 162560, 173609, 174976, 218720, 347218, 349952, 437440, 694436, 868045, 874880, 1388872, 1736090, 1749760, 2777744, 3472180, 5555488, 6944360, 11110976, 13888720, 22221952, 27777440, 44443904, 55554880, 111109760, 222219520]

約数ペア:

[(1, 222219520), (2, 111109760), (4, 55554880), (5, 44443904), (8, 27777440), (10, 22221952), (16, 13888720), (20, 11110976), (32, 6944360), (40, 5555488), (64, 3472180), (80, 2777744), (127, 1749760), (128, 1736090), (160, 1388872), (254, 874880), (256, 868045), (320, 694436), (508, 437440), (635, 349952), (640, 347218), (1016, 218720), (1270, 174976), (1280, 173609), (1367, 162560), (2032, 109360), (2540, 87488), (2734, 81280), (4064, 54680), (5080, 43744), (5468, 40640), (6835, 32512), (8128, 27340), (10160, 21872), (10936, 20320), (13670, 16256)]