721223356

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 1574720000

約数和(自身を除く): 853496644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 73, 76, 98, 133, 146, 196, 266, 292, 343, 379, 511, 532, 686, 758, 931, 1022, 1372, 1387, 1516, 1862, 2044, 2653, 2774, 3577, 3724, 5306, 5548, 6517, 7154, 7201, 9709, 10612, 13034, 14308, 14402, 18571, 19418, 25039, 26068, 27667, 28804, 37142, 38836, 50078, 50407, 55334, 67963, 74284, 100156, 100814, 110668, 129997, 135926, 193669, 201628, 259994, 271852, 352849, 387338, 475741, 519988, 525673, 705698, 774676, 951482, 1051346, 1355683, 1411396, 1902964, 2102692, 2469943, 2711366, 3679711, 4939886, 5422732, 7359422, 9489781, 9879772, 14718844, 18979562, 25757977, 37959124, 51515954, 103031908, 180305839, 360611678, 721223356]

約数ペア:

[(1, 721223356), (2, 360611678), (4, 180305839), (7, 103031908), (14, 51515954), (19, 37959124), (28, 25757977), (38, 18979562), (49, 14718844), (73, 9879772), (76, 9489781), (98, 7359422), (133, 5422732), (146, 4939886), (196, 3679711), (266, 2711366), (292, 2469943), (343, 2102692), (379, 1902964), (511, 1411396), (532, 1355683), (686, 1051346), (758, 951482), (931, 774676), (1022, 705698), (1372, 525673), (1387, 519988), (1516, 475741), (1862, 387338), (2044, 352849), (2653, 271852), (2774, 259994), (3577, 201628), (3724, 193669), (5306, 135926), (5548, 129997), (6517, 110668), (7154, 100814), (7201, 100156), (9709, 74284), (10612, 67963), (13034, 55334), (14308, 50407), (14402, 50078), (18571, 38836), (19418, 37142), (25039, 28804), (26068, 27667)]