205120048

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2426

約数の個数: 80

約数和(自身を含む): 489968640

約数和(自身を除く): 284848592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 266, 287, 304, 328, 532, 574, 656, 779, 1064, 1148, 1558, 2128, 2296, 2351, 3116, 4592, 4702, 5453, 6232, 9404, 10906, 12464, 16457, 18808, 21812, 32914, 37616, 43624, 44669, 65828, 87248, 89338, 96391, 131656, 178676, 192782, 263312, 312683, 357352, 385564, 625366, 674737, 714704, 771128, 1250732, 1349474, 1542256, 1831429, 2501464, 2698948, 3662858, 5002928, 5397896, 7325716, 10795792, 12820003, 14651432, 25640006, 29302864, 51280012, 102560024, 205120048]

約数ペア:

[(1, 205120048), (2, 102560024), (4, 51280012), (7, 29302864), (8, 25640006), (14, 14651432), (16, 12820003), (19, 10795792), (28, 7325716), (38, 5397896), (41, 5002928), (56, 3662858), (76, 2698948), (82, 2501464), (112, 1831429), (133, 1542256), (152, 1349474), (164, 1250732), (266, 771128), (287, 714704), (304, 674737), (328, 625366), (532, 385564), (574, 357352), (656, 312683), (779, 263312), (1064, 192782), (1148, 178676), (1558, 131656), (2128, 96391), (2296, 89338), (2351, 87248), (3116, 65828), (4592, 44669), (4702, 43624), (5453, 37616), (6232, 32914), (9404, 21812), (10906, 18808), (12464, 16457)]