28211200

素因数分解:

$2^{11}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 76167000

約数和(自身を除く): 47955800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 50, 58, 64, 76, 80, 95, 100, 116, 128, 145, 152, 160, 190, 200, 232, 256, 290, 304, 320, 380, 400, 464, 475, 512, 551, 580, 608, 640, 725, 760, 800, 928, 950, 1024, 1102, 1160, 1216, 1280, 1450, 1520, 1600, 1856, 1900, 2048, 2204, 2320, 2432, 2560, 2755, 2900, 3040, 3200, 3712, 3800, 4408, 4640, 4864, 5120, 5510, 5800, 6080, 6400, 7424, 7600, 8816, 9280, 9728, 10240, 11020, 11600, 12160, 12800, 13775, 14848, 15200, 17632, 18560, 19456, 22040, 23200, 24320, 25600, 27550, 29696, 30400, 35264, 37120, 38912, 44080, 46400, 48640, 51200, 55100, 59392, 60800, 70528, 74240, 88160, 92800, 97280, 110200, 121600, 141056, 148480, 176320, 185600, 194560, 220400, 243200, 282112, 296960, 352640, 371200, 440800, 486400, 564224, 705280, 742400, 881600, 972800, 1128448, 1410560, 1484800, 1763200, 2821120, 3526400, 5642240, 7052800, 14105600, 28211200]

約数ペア:

[(1, 28211200), (2, 14105600), (4, 7052800), (5, 5642240), (8, 3526400), (10, 2821120), (16, 1763200), (19, 1484800), (20, 1410560), (25, 1128448), (29, 972800), (32, 881600), (38, 742400), (40, 705280), (50, 564224), (58, 486400), (64, 440800), (76, 371200), (80, 352640), (95, 296960), (100, 282112), (116, 243200), (128, 220400), (145, 194560), (152, 185600), (160, 176320), (190, 148480), (200, 141056), (232, 121600), (256, 110200), (290, 97280), (304, 92800), (320, 88160), (380, 74240), (400, 70528), (464, 60800), (475, 59392), (512, 55100), (551, 51200), (580, 48640), (608, 46400), (640, 44080), (725, 38912), (760, 37120), (800, 35264), (928, 30400), (950, 29696), (1024, 27550), (1102, 25600), (1160, 24320), (1216, 23200), (1280, 22040), (1450, 19456), (1520, 18560), (1600, 17632), (1856, 15200), (1900, 14848), (2048, 13775), (2204, 12800), (2320, 12160), (2432, 11600), (2560, 11020), (2755, 10240), (2900, 9728), (3040, 9280), (3200, 8816), (3712, 7600), (3800, 7424), (4408, 6400), (4640, 6080), (4864, 5800), (5120, 5510)]