1239238900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2729}}^1$

素因数の和:3001

約数の個数: 72

約数和(自身を含む): 2843568000

約数和(自身を除く): 1604329100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 239, 380, 475, 478, 950, 956, 1195, 1900, 2390, 2729, 4541, 4780, 5458, 5975, 9082, 10916, 11950, 13645, 18164, 22705, 23900, 27290, 45410, 51851, 54580, 68225, 90820, 103702, 113525, 136450, 207404, 227050, 259255, 272900, 454100, 518510, 652231, 1037020, 1296275, 1304462, 2592550, 2608924, 3261155, 5185100, 6522310, 12392389, 13044620, 16305775, 24784778, 32611550, 49569556, 61961945, 65223100, 123923890, 247847780, 309809725, 619619450, 1239238900]

約数ペア:

[(1, 1239238900), (2, 619619450), (4, 309809725), (5, 247847780), (10, 123923890), (19, 65223100), (20, 61961945), (25, 49569556), (38, 32611550), (50, 24784778), (76, 16305775), (95, 13044620), (100, 12392389), (190, 6522310), (239, 5185100), (380, 3261155), (475, 2608924), (478, 2592550), (950, 1304462), (956, 1296275), (1195, 1037020), (1900, 652231), (2390, 518510), (2729, 454100), (4541, 272900), (4780, 259255), (5458, 227050), (5975, 207404), (9082, 136450), (10916, 113525), (11950, 103702), (13645, 90820), (18164, 68225), (22705, 54580), (23900, 51851), (27290, 45410)]