221444480

素因数分解:

$2^7\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1933}}^1$

素因数の和:2131

約数の個数: 64

約数和(自身を含む): 532623600

約数和(自身を除く): 311179120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 320, 358, 640, 716, 895, 1432, 1790, 1933, 2864, 3580, 3866, 5728, 7160, 7732, 9665, 11456, 14320, 15464, 19330, 22912, 28640, 30928, 38660, 57280, 61856, 77320, 114560, 123712, 154640, 247424, 309280, 346007, 618560, 692014, 1237120, 1384028, 1730035, 2768056, 3460070, 5536112, 6920140, 11072224, 13840280, 22144448, 27680560, 44288896, 55361120, 110722240, 221444480]

約数ペア:

[(1, 221444480), (2, 110722240), (4, 55361120), (5, 44288896), (8, 27680560), (10, 22144448), (16, 13840280), (20, 11072224), (32, 6920140), (40, 5536112), (64, 3460070), (80, 2768056), (128, 1730035), (160, 1384028), (179, 1237120), (320, 692014), (358, 618560), (640, 346007), (716, 309280), (895, 247424), (1432, 154640), (1790, 123712), (1933, 114560), (2864, 77320), (3580, 61856), (3866, 57280), (5728, 38660), (7160, 30928), (7732, 28640), (9665, 22912), (11456, 19330), (14320, 15464)]