378851584

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 828261504

約数和(自身を除く): 449409920

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 47, 64, 74, 92, 94, 128, 148, 184, 188, 256, 296, 368, 376, 592, 736, 752, 851, 1081, 1184, 1369, 1472, 1504, 1702, 1739, 2162, 2368, 2738, 2944, 3008, 3404, 3478, 4324, 4736, 5476, 5888, 6016, 6808, 6956, 8648, 9472, 10952, 12032, 13616, 13912, 17296, 21904, 27232, 27824, 31487, 34592, 39997, 43808, 54464, 55648, 62974, 64343, 69184, 79994, 87616, 108928, 111296, 125948, 128686, 138368, 159988, 175232, 217856, 222592, 251896, 257372, 276736, 319976, 350464, 445184, 503792, 514744, 639952, 1007584, 1029488, 1279904, 1479889, 2015168, 2058976, 2559808, 2959778, 4030336, 4117952, 5119616, 5919556, 8060672, 8235904, 10239232, 11839112, 16471808, 23678224, 47356448, 94712896, 189425792, 378851584]

約数ペア:

[(1, 378851584), (2, 189425792), (4, 94712896), (8, 47356448), (16, 23678224), (23, 16471808), (32, 11839112), (37, 10239232), (46, 8235904), (47, 8060672), (64, 5919556), (74, 5119616), (92, 4117952), (94, 4030336), (128, 2959778), (148, 2559808), (184, 2058976), (188, 2015168), (256, 1479889), (296, 1279904), (368, 1029488), (376, 1007584), (592, 639952), (736, 514744), (752, 503792), (851, 445184), (1081, 350464), (1184, 319976), (1369, 276736), (1472, 257372), (1504, 251896), (1702, 222592), (1739, 217856), (2162, 175232), (2368, 159988), (2738, 138368), (2944, 128686), (3008, 125948), (3404, 111296), (3478, 108928), (4324, 87616), (4736, 79994), (5476, 69184), (5888, 64343), (6016, 62974), (6808, 55648), (6956, 54464), (8648, 43808), (9472, 39997), (10952, 34592), (12032, 31487), (13616, 27824), (13912, 27232), (17296, 21904)]