1385655380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{140533}}^1$

素因数の和:140588

約数の個数: 48

約数和(自身を含む): 3187311120

約数和(自身を除く): 1801655740

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 140533, 281066, 562132, 702665, 1405330, 2389061, 2810660, 4075457, 4778122, 8150914, 9556244, 11945305, 16301828, 20377285, 23890610, 40754570, 47781220, 69282769, 81509140, 138565538, 277131076, 346413845, 692827690, 1385655380]

約数ペア:

[(1, 1385655380), (2, 692827690), (4, 346413845), (5, 277131076), (10, 138565538), (17, 81509140), (20, 69282769), (29, 47781220), (34, 40754570), (58, 23890610), (68, 20377285), (85, 16301828), (116, 11945305), (145, 9556244), (170, 8150914), (290, 4778122), (340, 4075457), (493, 2810660), (580, 2389061), (986, 1405330), (1972, 702665), (2465, 562132), (4930, 281066), (9860, 140533)]