201992960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 532257600

約数和(自身を除く): 330264640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 199, 208, 244, 256, 260, 305, 320, 398, 416, 488, 520, 610, 640, 793, 796, 832, 976, 995, 1040, 1220, 1280, 1586, 1592, 1664, 1952, 1990, 2080, 2440, 2587, 3172, 3184, 3328, 3904, 3965, 3980, 4160, 4880, 5174, 6344, 6368, 7808, 7930, 7960, 8320, 9760, 10348, 12139, 12688, 12736, 12935, 15616, 15860, 15920, 16640, 19520, 20696, 24278, 25376, 25472, 25870, 31720, 31840, 39040, 41392, 48556, 50752, 50944, 51740, 60695, 63440, 63680, 78080, 82784, 97112, 101504, 103480, 121390, 126880, 127360, 157807, 165568, 194224, 203008, 206960, 242780, 253760, 254720, 315614, 331136, 388448, 413920, 485560, 507520, 631228, 662272, 776896, 789035, 827840, 971120, 1015040, 1262456, 1553792, 1578070, 1655680, 1942240, 2524912, 3107584, 3156140, 3311360, 3884480, 5049824, 6312280, 7768960, 10099648, 12624560, 15537920, 20199296, 25249120, 40398592, 50498240, 100996480, 201992960]

約数ペア:

[(1, 201992960), (2, 100996480), (4, 50498240), (5, 40398592), (8, 25249120), (10, 20199296), (13, 15537920), (16, 12624560), (20, 10099648), (26, 7768960), (32, 6312280), (40, 5049824), (52, 3884480), (61, 3311360), (64, 3156140), (65, 3107584), (80, 2524912), (104, 1942240), (122, 1655680), (128, 1578070), (130, 1553792), (160, 1262456), (199, 1015040), (208, 971120), (244, 827840), (256, 789035), (260, 776896), (305, 662272), (320, 631228), (398, 507520), (416, 485560), (488, 413920), (520, 388448), (610, 331136), (640, 315614), (793, 254720), (796, 253760), (832, 242780), (976, 206960), (995, 203008), (1040, 194224), (1220, 165568), (1280, 157807), (1586, 127360), (1592, 126880), (1664, 121390), (1952, 103480), (1990, 101504), (2080, 97112), (2440, 82784), (2587, 78080), (3172, 63680), (3184, 63440), (3328, 60695), (3904, 51740), (3965, 50944), (3980, 50752), (4160, 48556), (4880, 41392), (5174, 39040), (6344, 31840), (6368, 31720), (7808, 25870), (7930, 25472), (7960, 25376), (8320, 24278), (9760, 20696), (10348, 19520), (12139, 16640), (12688, 15920), (12736, 15860), (12935, 15616)]