280550116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4921

約数の個数: 72

約数和(自身を含む): 653159808

約数和(自身を除く): 372609692

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2618, 3388, 4114, 4871, 5236, 8228, 9742, 14399, 19484, 28798, 34097, 53581, 57596, 68194, 82807, 107162, 136388, 165614, 214324, 331228, 375067, 579649, 589391, 750134, 910877, 1159298, 1178782, 1500268, 1821754, 2318596, 2357564, 3643508, 4125737, 6376139, 8251474, 10019647, 12752278, 16502948, 20039294, 25504556, 40078588, 70137529, 140275058, 280550116]

約数ペア:

[(1, 280550116), (2, 140275058), (4, 70137529), (7, 40078588), (11, 25504556), (14, 20039294), (17, 16502948), (22, 12752278), (28, 10019647), (34, 8251474), (44, 6376139), (68, 4125737), (77, 3643508), (119, 2357564), (121, 2318596), (154, 1821754), (187, 1500268), (238, 1178782), (242, 1159298), (308, 910877), (374, 750134), (476, 589391), (484, 579649), (748, 375067), (847, 331228), (1309, 214324), (1694, 165614), (2057, 136388), (2618, 107162), (3388, 82807), (4114, 68194), (4871, 57596), (5236, 53581), (8228, 34097), (9742, 28798), (14399, 19484)]