245515088

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 180

約数和(自身を含む): 640254780

約数和(自身を除く): 394739692

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 109, 112, 119, 136, 169, 182, 196, 208, 218, 221, 238, 272, 338, 364, 392, 436, 442, 476, 637, 676, 728, 763, 784, 833, 872, 884, 952, 1183, 1274, 1352, 1417, 1456, 1526, 1547, 1666, 1744, 1768, 1853, 1904, 2366, 2548, 2704, 2834, 2873, 3052, 3094, 3332, 3536, 3706, 4732, 5096, 5341, 5668, 5746, 6104, 6188, 6664, 7412, 8281, 9464, 9919, 10192, 10682, 10829, 11336, 11492, 12208, 12376, 12971, 13328, 14824, 16562, 18421, 18928, 19838, 20111, 21364, 21658, 22672, 22984, 24089, 24752, 25942, 29648, 33124, 36842, 39676, 40222, 42728, 43316, 45968, 48178, 51884, 66248, 69433, 73684, 79352, 80444, 85456, 86632, 90797, 96356, 103768, 128947, 132496, 138866, 140777, 147368, 158704, 160888, 168623, 173264, 181594, 192712, 207536, 257894, 277732, 281554, 294736, 313157, 321776, 337246, 363188, 385424, 515788, 555464, 563108, 626314, 674492, 726376, 902629, 1031576, 1110928, 1126216, 1180361, 1252628, 1348984, 1452752, 1805258, 2063152, 2192099, 2252432, 2360722, 2505256, 2697968, 3610516, 4384198, 4721444, 5010512, 7221032, 8768396, 9442888, 14442064, 15344693, 17536792, 18885776, 30689386, 35073584, 61378772, 122757544, 245515088]

約数ペア:

[(1, 245515088), (2, 122757544), (4, 61378772), (7, 35073584), (8, 30689386), (13, 18885776), (14, 17536792), (16, 15344693), (17, 14442064), (26, 9442888), (28, 8768396), (34, 7221032), (49, 5010512), (52, 4721444), (56, 4384198), (68, 3610516), (91, 2697968), (98, 2505256), (104, 2360722), (109, 2252432), (112, 2192099), (119, 2063152), (136, 1805258), (169, 1452752), (182, 1348984), (196, 1252628), (208, 1180361), (218, 1126216), (221, 1110928), (238, 1031576), (272, 902629), (338, 726376), (364, 674492), (392, 626314), (436, 563108), (442, 555464), (476, 515788), (637, 385424), (676, 363188), (728, 337246), (763, 321776), (784, 313157), (833, 294736), (872, 281554), (884, 277732), (952, 257894), (1183, 207536), (1274, 192712), (1352, 181594), (1417, 173264), (1456, 168623), (1526, 160888), (1547, 158704), (1666, 147368), (1744, 140777), (1768, 138866), (1853, 132496), (1904, 128947), (2366, 103768), (2548, 96356), (2704, 90797), (2834, 86632), (2873, 85456), (3052, 80444), (3094, 79352), (3332, 73684), (3536, 69433), (3706, 66248), (4732, 51884), (5096, 48178), (5341, 45968), (5668, 43316), (5746, 42728), (6104, 40222), (6188, 39676), (6664, 36842), (7412, 33124), (8281, 29648), (9464, 25942), (9919, 24752), (10192, 24089), (10682, 22984), (10829, 22672), (11336, 21658), (11492, 21364), (12208, 20111), (12376, 19838), (12971, 18928), (13328, 18421), (14824, 16562)]