221298320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 573713280

約数和(自身を除く): 352414960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 53, 67, 76, 80, 82, 95, 106, 134, 152, 164, 190, 205, 212, 265, 268, 304, 328, 335, 380, 410, 424, 530, 536, 656, 670, 760, 779, 820, 848, 1007, 1060, 1072, 1273, 1340, 1520, 1558, 1640, 2014, 2120, 2173, 2546, 2680, 2747, 3116, 3280, 3551, 3895, 4028, 4240, 4346, 5035, 5092, 5360, 5494, 6232, 6365, 7102, 7790, 8056, 8692, 10070, 10184, 10865, 10988, 12464, 12730, 13735, 14204, 15580, 16112, 17384, 17755, 20140, 20368, 21730, 21976, 25460, 27470, 28408, 31160, 34768, 35510, 40280, 41287, 43460, 43952, 50920, 52193, 54940, 56816, 62320, 67469, 71020, 80560, 82574, 86920, 101840, 104386, 109880, 134938, 142040, 145591, 165148, 173840, 206435, 208772, 219760, 260965, 269876, 284080, 291182, 330296, 337345, 412870, 417544, 521930, 539752, 582364, 660592, 674690, 727955, 825740, 835088, 1043860, 1079504, 1164728, 1349380, 1455910, 1651480, 2087720, 2329456, 2698760, 2766229, 2911820, 3302960, 4175440, 5397520, 5532458, 5823640, 11064916, 11647280, 13831145, 22129832, 27662290, 44259664, 55324580, 110649160, 221298320]

約数ペア:

[(1, 221298320), (2, 110649160), (4, 55324580), (5, 44259664), (8, 27662290), (10, 22129832), (16, 13831145), (19, 11647280), (20, 11064916), (38, 5823640), (40, 5532458), (41, 5397520), (53, 4175440), (67, 3302960), (76, 2911820), (80, 2766229), (82, 2698760), (95, 2329456), (106, 2087720), (134, 1651480), (152, 1455910), (164, 1349380), (190, 1164728), (205, 1079504), (212, 1043860), (265, 835088), (268, 825740), (304, 727955), (328, 674690), (335, 660592), (380, 582364), (410, 539752), (424, 521930), (530, 417544), (536, 412870), (656, 337345), (670, 330296), (760, 291182), (779, 284080), (820, 269876), (848, 260965), (1007, 219760), (1060, 208772), (1072, 206435), (1273, 173840), (1340, 165148), (1520, 145591), (1558, 142040), (1640, 134938), (2014, 109880), (2120, 104386), (2173, 101840), (2546, 86920), (2680, 82574), (2747, 80560), (3116, 71020), (3280, 67469), (3551, 62320), (3895, 56816), (4028, 54940), (4240, 52193), (4346, 50920), (5035, 43952), (5092, 43460), (5360, 41287), (5494, 40280), (6232, 35510), (6365, 34768), (7102, 31160), (7790, 28408), (8056, 27470), (8692, 25460), (10070, 21976), (10184, 21730), (10865, 20368), (10988, 20140), (12464, 17755), (12730, 17384), (13735, 16112), (14204, 15580)]