478439988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 1348730880

約数和(自身を除く): 870290892

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 41, 52, 57, 62, 76, 78, 82, 93, 114, 123, 124, 127, 156, 164, 186, 228, 246, 247, 254, 372, 381, 403, 492, 494, 508, 533, 589, 741, 762, 779, 806, 988, 1066, 1178, 1209, 1271, 1482, 1524, 1558, 1599, 1612, 1651, 1767, 2132, 2337, 2356, 2413, 2418, 2542, 2964, 3116, 3198, 3302, 3534, 3813, 3937, 4674, 4826, 4836, 4953, 5084, 5207, 6396, 6604, 7068, 7239, 7626, 7657, 7874, 9348, 9652, 9906, 10127, 10414, 11811, 14478, 15252, 15314, 15621, 15748, 16523, 19812, 20254, 20828, 22971, 23622, 24149, 28956, 30381, 30628, 31242, 31369, 33046, 40508, 45942, 47244, 48298, 49569, 51181, 60762, 62484, 62738, 66092, 67691, 72447, 74803, 91884, 94107, 96596, 98933, 99138, 102362, 121524, 125476, 135382, 144894, 149606, 153543, 161417, 188214, 197866, 198276, 203073, 204724, 224409, 270764, 289788, 296799, 299212, 307086, 313937, 322834, 376428, 395732, 406146, 448818, 484251, 593598, 614172, 627874, 645668, 812292, 897636, 941811, 968502, 972439, 1187196, 1255748, 1286129, 1883622, 1937004, 1944878, 2098421, 2572258, 2917317, 3066923, 3767244, 3858387, 3889756, 4196842, 5144516, 5834634, 6133846, 6295263, 7716774, 8393684, 9200769, 11669268, 12267692, 12590526, 15433548, 18401538, 25181052, 36803076, 39869999, 79739998, 119609997, 159479996, 239219994, 478439988]

約数ペア:

[(1, 478439988), (2, 239219994), (3, 159479996), (4, 119609997), (6, 79739998), (12, 39869999), (13, 36803076), (19, 25181052), (26, 18401538), (31, 15433548), (38, 12590526), (39, 12267692), (41, 11669268), (52, 9200769), (57, 8393684), (62, 7716774), (76, 6295263), (78, 6133846), (82, 5834634), (93, 5144516), (114, 4196842), (123, 3889756), (124, 3858387), (127, 3767244), (156, 3066923), (164, 2917317), (186, 2572258), (228, 2098421), (246, 1944878), (247, 1937004), (254, 1883622), (372, 1286129), (381, 1255748), (403, 1187196), (492, 972439), (494, 968502), (508, 941811), (533, 897636), (589, 812292), (741, 645668), (762, 627874), (779, 614172), (806, 593598), (988, 484251), (1066, 448818), (1178, 406146), (1209, 395732), (1271, 376428), (1482, 322834), (1524, 313937), (1558, 307086), (1599, 299212), (1612, 296799), (1651, 289788), (1767, 270764), (2132, 224409), (2337, 204724), (2356, 203073), (2413, 198276), (2418, 197866), (2542, 188214), (2964, 161417), (3116, 153543), (3198, 149606), (3302, 144894), (3534, 135382), (3813, 125476), (3937, 121524), (4674, 102362), (4826, 99138), (4836, 98933), (4953, 96596), (5084, 94107), (5207, 91884), (6396, 74803), (6604, 72447), (7068, 67691), (7239, 66092), (7626, 62738), (7657, 62484), (7874, 60762), (9348, 51181), (9652, 49569), (9906, 48298), (10127, 47244), (10414, 45942), (11811, 40508), (14478, 33046), (15252, 31369), (15314, 31242), (15621, 30628), (15748, 30381), (16523, 28956), (19812, 24149), (20254, 23622), (20828, 22971)]