858571780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1429}}^1\times {\mathrm{2731}}^1$

素因数の和:4180

約数の個数: 48

約数和(自身を含む): 1969007040

約数和(自身を除く): 1110435260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1429, 2731, 2858, 5462, 5716, 7145, 10924, 13655, 14290, 15719, 27310, 28580, 30041, 31438, 54620, 60082, 62876, 78595, 120164, 150205, 157190, 300410, 314380, 600820, 3902599, 7805198, 15610396, 19512995, 39025990, 42928589, 78051980, 85857178, 171714356, 214642945, 429285890, 858571780]

約数ペア:

[(1, 858571780), (2, 429285890), (4, 214642945), (5, 171714356), (10, 85857178), (11, 78051980), (20, 42928589), (22, 39025990), (44, 19512995), (55, 15610396), (110, 7805198), (220, 3902599), (1429, 600820), (2731, 314380), (2858, 300410), (5462, 157190), (5716, 150205), (7145, 120164), (10924, 78595), (13655, 62876), (14290, 60082), (15719, 54620), (27310, 31438), (28580, 30041)]