440212480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:829

約数の個数: 88

約数和(自身を含む): 1065881088

約数和(自身を除く): 625668608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 677, 1016, 1024, 1270, 1280, 1354, 2032, 2540, 2560, 2708, 3385, 4064, 5080, 5120, 5416, 6770, 8128, 10160, 10832, 13540, 16256, 20320, 21664, 27080, 32512, 40640, 43328, 54160, 65024, 81280, 85979, 86656, 108320, 130048, 162560, 171958, 173312, 216640, 325120, 343916, 346624, 429895, 433280, 650240, 687832, 693248, 859790, 866560, 1375664, 1719580, 1733120, 2751328, 3439160, 3466240, 5502656, 6878320, 11005312, 13756640, 22010624, 27513280, 44021248, 55026560, 88042496, 110053120, 220106240, 440212480]

約数ペア:

[(1, 440212480), (2, 220106240), (4, 110053120), (5, 88042496), (8, 55026560), (10, 44021248), (16, 27513280), (20, 22010624), (32, 13756640), (40, 11005312), (64, 6878320), (80, 5502656), (127, 3466240), (128, 3439160), (160, 2751328), (254, 1733120), (256, 1719580), (320, 1375664), (508, 866560), (512, 859790), (635, 693248), (640, 687832), (677, 650240), (1016, 433280), (1024, 429895), (1270, 346624), (1280, 343916), (1354, 325120), (2032, 216640), (2540, 173312), (2560, 171958), (2708, 162560), (3385, 130048), (4064, 108320), (5080, 86656), (5120, 85979), (5416, 81280), (6770, 65024), (8128, 54160), (10160, 43328), (10832, 40640), (13540, 32512), (16256, 27080), (20320, 21664)]