208557440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3581}}^1$

素因数の和:3620

約数の個数: 128

約数和(自身を含む): 613811520

約数和(自身を除く): 405254080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3581, 3640, 4160, 4480, 5824, 7162, 7280, 8320, 11648, 14324, 14560, 17905, 25067, 28648, 29120, 35810, 46553, 50134, 57296, 58240, 71620, 93106, 100268, 114592, 125335, 143240, 186212, 200536, 229184, 232765, 250670, 286480, 325871, 372424, 401072, 458368, 465530, 501340, 572960, 651742, 744848, 802144, 931060, 1002680, 1145920, 1303484, 1489696, 1604288, 1629355, 1862120, 2005360, 2291840, 2606968, 2979392, 3208576, 3258710, 3724240, 4010720, 5213936, 5958784, 6517420, 7448480, 8021440, 10427872, 13034840, 14896960, 16042880, 20855744, 26069680, 29793920, 41711488, 52139360, 104278720, 208557440]

約数ペア:

[(1, 208557440), (2, 104278720), (4, 52139360), (5, 41711488), (7, 29793920), (8, 26069680), (10, 20855744), (13, 16042880), (14, 14896960), (16, 13034840), (20, 10427872), (26, 8021440), (28, 7448480), (32, 6517420), (35, 5958784), (40, 5213936), (52, 4010720), (56, 3724240), (64, 3258710), (65, 3208576), (70, 2979392), (80, 2606968), (91, 2291840), (104, 2005360), (112, 1862120), (128, 1629355), (130, 1604288), (140, 1489696), (160, 1303484), (182, 1145920), (208, 1002680), (224, 931060), (260, 802144), (280, 744848), (320, 651742), (364, 572960), (416, 501340), (448, 465530), (455, 458368), (520, 401072), (560, 372424), (640, 325871), (728, 286480), (832, 250670), (896, 232765), (910, 229184), (1040, 200536), (1120, 186212), (1456, 143240), (1664, 125335), (1820, 114592), (2080, 100268), (2240, 93106), (2912, 71620), (3581, 58240), (3640, 57296), (4160, 50134), (4480, 46553), (5824, 35810), (7162, 29120), (7280, 28648), (8320, 25067), (11648, 17905), (14324, 14560)]