1990878984

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{2971}}^1$

素因数の和:3251

約数の個数: 96

約数和(自身を含む): 5549675040

約数和(自身を除く): 3558796056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 227, 246, 328, 369, 454, 492, 681, 738, 908, 984, 1362, 1476, 1816, 2043, 2724, 2952, 2971, 4086, 5448, 5942, 8172, 8913, 9307, 11884, 16344, 17826, 18614, 23768, 26739, 27921, 35652, 37228, 53478, 55842, 71304, 74456, 83763, 106956, 111684, 121811, 167526, 213912, 223368, 243622, 335052, 365433, 487244, 670104, 674417, 730866, 974488, 1096299, 1348834, 1461732, 2023251, 2192598, 2697668, 2923464, 4046502, 4385196, 5395336, 6069753, 8093004, 8770392, 12139506, 16186008, 24279012, 27651097, 48558024, 55302194, 82953291, 110604388, 165906582, 221208776, 248859873, 331813164, 497719746, 663626328, 995439492, 1990878984]

約数ペア:

[(1, 1990878984), (2, 995439492), (3, 663626328), (4, 497719746), (6, 331813164), (8, 248859873), (9, 221208776), (12, 165906582), (18, 110604388), (24, 82953291), (36, 55302194), (41, 48558024), (72, 27651097), (82, 24279012), (123, 16186008), (164, 12139506), (227, 8770392), (246, 8093004), (328, 6069753), (369, 5395336), (454, 4385196), (492, 4046502), (681, 2923464), (738, 2697668), (908, 2192598), (984, 2023251), (1362, 1461732), (1476, 1348834), (1816, 1096299), (2043, 974488), (2724, 730866), (2952, 674417), (2971, 670104), (4086, 487244), (5448, 365433), (5942, 335052), (8172, 243622), (8913, 223368), (9307, 213912), (11884, 167526), (16344, 121811), (17826, 111684), (18614, 106956), (23768, 83763), (26739, 74456), (27921, 71304), (35652, 55842), (37228, 53478)]