2019979600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2467}}^1$

素因数の和:2597

約数の個数: 120

約数和(自身を含む): 5122975680

約数和(自身を除く): 3102996080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 89, 92, 100, 115, 178, 184, 200, 230, 356, 368, 400, 445, 460, 575, 712, 890, 920, 1150, 1424, 1780, 1840, 2047, 2225, 2300, 2467, 3560, 4094, 4450, 4600, 4934, 7120, 8188, 8900, 9200, 9868, 10235, 12335, 16376, 17800, 19736, 20470, 24670, 32752, 35600, 39472, 40940, 49340, 51175, 56741, 61675, 81880, 98680, 102350, 113482, 123350, 163760, 197360, 204700, 219563, 226964, 246700, 283705, 409400, 439126, 453928, 493400, 567410, 818800, 878252, 907856, 986800, 1097815, 1134820, 1418525, 1756504, 2195630, 2269640, 2837050, 3513008, 4391260, 4539280, 5049949, 5489075, 5674100, 8782520, 10099898, 10978150, 11348200, 17565040, 20199796, 21956300, 22696400, 25249745, 40399592, 43912600, 50499490, 80799184, 87825200, 100998980, 126248725, 201997960, 252497450, 403995920, 504994900, 1009989800, 2019979600]

約数ペア:

[(1, 2019979600), (2, 1009989800), (4, 504994900), (5, 403995920), (8, 252497450), (10, 201997960), (16, 126248725), (20, 100998980), (23, 87825200), (25, 80799184), (40, 50499490), (46, 43912600), (50, 40399592), (80, 25249745), (89, 22696400), (92, 21956300), (100, 20199796), (115, 17565040), (178, 11348200), (184, 10978150), (200, 10099898), (230, 8782520), (356, 5674100), (368, 5489075), (400, 5049949), (445, 4539280), (460, 4391260), (575, 3513008), (712, 2837050), (890, 2269640), (920, 2195630), (1150, 1756504), (1424, 1418525), (1780, 1134820), (1840, 1097815), (2047, 986800), (2225, 907856), (2300, 878252), (2467, 818800), (3560, 567410), (4094, 493400), (4450, 453928), (4600, 439126), (4934, 409400), (7120, 283705), (8188, 246700), (8900, 226964), (9200, 219563), (9868, 204700), (10235, 197360), (12335, 163760), (16376, 123350), (17800, 113482), (19736, 102350), (20470, 98680), (24670, 81880), (32752, 61675), (35600, 56741), (39472, 51175), (40940, 49340)]