17961875320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1469

約数の個数: 128

約数和(自身を含む): 42529536000

約数和(自身を除く): 24567660680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 199, 205, 235, 328, 376, 398, 410, 470, 796, 820, 940, 995, 1171, 1592, 1640, 1880, 1927, 1990, 2342, 3854, 3980, 4684, 5855, 7708, 7960, 8159, 9353, 9368, 9635, 11710, 15416, 16318, 18706, 19270, 23420, 32636, 37412, 38540, 40795, 46765, 46840, 48011, 55037, 65272, 74824, 77080, 81590, 93530, 96022, 110074, 163180, 187060, 192044, 220148, 233029, 240055, 275185, 326360, 374120, 383473, 384088, 440296, 466058, 480110, 550370, 766946, 932116, 960220, 1100740, 1165145, 1533892, 1864232, 1917365, 1920440, 2201480, 2256517, 2330290, 3067784, 3834730, 4513034, 4660580, 7669460, 9026068, 9321160, 9554189, 10952363, 11282585, 15338920, 18052136, 19108378, 21904726, 22565170, 38216756, 43809452, 45130340, 47770945, 54761815, 76433512, 87618904, 90260680, 95541890, 109523630, 191083780, 219047260, 382167560, 438094520, 449046883, 898093766, 1796187532, 2245234415, 3592375064, 4490468830, 8980937660, 17961875320]

約数ペア:

[(1, 17961875320), (2, 8980937660), (4, 4490468830), (5, 3592375064), (8, 2245234415), (10, 1796187532), (20, 898093766), (40, 449046883), (41, 438094520), (47, 382167560), (82, 219047260), (94, 191083780), (164, 109523630), (188, 95541890), (199, 90260680), (205, 87618904), (235, 76433512), (328, 54761815), (376, 47770945), (398, 45130340), (410, 43809452), (470, 38216756), (796, 22565170), (820, 21904726), (940, 19108378), (995, 18052136), (1171, 15338920), (1592, 11282585), (1640, 10952363), (1880, 9554189), (1927, 9321160), (1990, 9026068), (2342, 7669460), (3854, 4660580), (3980, 4513034), (4684, 3834730), (5855, 3067784), (7708, 2330290), (7960, 2256517), (8159, 2201480), (9353, 1920440), (9368, 1917365), (9635, 1864232), (11710, 1533892), (15416, 1165145), (16318, 1100740), (18706, 960220), (19270, 932116), (23420, 766946), (32636, 550370), (37412, 480110), (38540, 466058), (40795, 440296), (46765, 384088), (46840, 383473), (48011, 374120), (55037, 326360), (65272, 275185), (74824, 240055), (77080, 233029), (81590, 220148), (93530, 192044), (96022, 187060), (110074, 163180)]