201781976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 476928000

約数和(自身を除く): 275146024

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 31, 34, 38, 44, 62, 68, 76, 88, 124, 136, 152, 187, 209, 229, 248, 323, 341, 374, 418, 458, 527, 589, 646, 682, 748, 836, 916, 1054, 1178, 1292, 1364, 1496, 1672, 1832, 2108, 2356, 2519, 2584, 2728, 3553, 3893, 4216, 4351, 4712, 5038, 5797, 6479, 7099, 7106, 7786, 8702, 10013, 10076, 11594, 12958, 14198, 14212, 15572, 17404, 20026, 20152, 23188, 25916, 28396, 28424, 31144, 34808, 40052, 42823, 46376, 47861, 51832, 56792, 73967, 78089, 80104, 85646, 95722, 110143, 120683, 134881, 147934, 156178, 171292, 191444, 220286, 241366, 269762, 295868, 312356, 342584, 382888, 440572, 482732, 539524, 591736, 624712, 813637, 881144, 965464, 1079048, 1327513, 1483691, 1627274, 2292977, 2655026, 2967382, 3254548, 4585954, 5310052, 5934764, 6509096, 9171908, 10620104, 11869528, 18343816, 25222747, 50445494, 100890988, 201781976]

約数ペア:

[(1, 201781976), (2, 100890988), (4, 50445494), (8, 25222747), (11, 18343816), (17, 11869528), (19, 10620104), (22, 9171908), (31, 6509096), (34, 5934764), (38, 5310052), (44, 4585954), (62, 3254548), (68, 2967382), (76, 2655026), (88, 2292977), (124, 1627274), (136, 1483691), (152, 1327513), (187, 1079048), (209, 965464), (229, 881144), (248, 813637), (323, 624712), (341, 591736), (374, 539524), (418, 482732), (458, 440572), (527, 382888), (589, 342584), (646, 312356), (682, 295868), (748, 269762), (836, 241366), (916, 220286), (1054, 191444), (1178, 171292), (1292, 156178), (1364, 147934), (1496, 134881), (1672, 120683), (1832, 110143), (2108, 95722), (2356, 85646), (2519, 80104), (2584, 78089), (2728, 73967), (3553, 56792), (3893, 51832), (4216, 47861), (4351, 46376), (4712, 42823), (5038, 40052), (5797, 34808), (6479, 31144), (7099, 28424), (7106, 28396), (7786, 25916), (8702, 23188), (10013, 20152), (10076, 20026), (11594, 17404), (12958, 15572), (14198, 14212)]