199962880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 526935024

約数和(自身を除く): 326972144

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, 197, 208, 244, 256, 260, 305, 320, 394, 416, 488, 520, 610, 640, 788, 793, 832, 976, 985, 1040, 1220, 1280, 1576, 1586, 1664, 1952, 1970, 2080, 2440, 2561, 3152, 3172, 3328, 3904, 3940, 3965, 4160, 4880, 5122, 6304, 6344, 7808, 7880, 7930, 8320, 9760, 10244, 12017, 12608, 12688, 12805, 15616, 15760, 15860, 16640, 19520, 20488, 24034, 25216, 25376, 25610, 31520, 31720, 39040, 40976, 48068, 50432, 50752, 51220, 60085, 63040, 63440, 78080, 81952, 96136, 101504, 102440, 120170, 126080, 126880, 156221, 163904, 192272, 203008, 204880, 240340, 252160, 253760, 312442, 327808, 384544, 409760, 480680, 507520, 624884, 655616, 769088, 781105, 819520, 961360, 1015040, 1249768, 1538176, 1562210, 1639040, 1922720, 2499536, 3076352, 3124420, 3278080, 3845440, 4999072, 6248840, 7690880, 9998144, 12497680, 15381760, 19996288, 24995360, 39992576, 49990720, 99981440, 199962880]

約数ペア:

[(1, 199962880), (2, 99981440), (4, 49990720), (5, 39992576), (8, 24995360), (10, 19996288), (13, 15381760), (16, 12497680), (20, 9998144), (26, 7690880), (32, 6248840), (40, 4999072), (52, 3845440), (61, 3278080), (64, 3124420), (65, 3076352), (80, 2499536), (104, 1922720), (122, 1639040), (128, 1562210), (130, 1538176), (160, 1249768), (197, 1015040), (208, 961360), (244, 819520), (256, 781105), (260, 769088), (305, 655616), (320, 624884), (394, 507520), (416, 480680), (488, 409760), (520, 384544), (610, 327808), (640, 312442), (788, 253760), (793, 252160), (832, 240340), (976, 204880), (985, 203008), (1040, 192272), (1220, 163904), (1280, 156221), (1576, 126880), (1586, 126080), (1664, 120170), (1952, 102440), (1970, 101504), (2080, 96136), (2440, 81952), (2561, 78080), (3152, 63440), (3172, 63040), (3328, 60085), (3904, 51220), (3940, 50752), (3965, 50432), (4160, 48068), (4880, 40976), (5122, 39040), (6304, 31720), (6344, 31520), (7808, 25610), (7880, 25376), (7930, 25216), (8320, 24034), (9760, 20488), (10244, 19520), (12017, 16640), (12608, 15860), (12688, 15760), (12805, 15616)]