1019000320

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 160

約数和(自身を含む): 2676266208

約数和(自身を除く): 1657265888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 128, 130, 134, 160, 208, 256, 260, 268, 320, 335, 416, 457, 512, 520, 536, 640, 670, 832, 871, 914, 1040, 1072, 1280, 1340, 1664, 1742, 1828, 2080, 2144, 2285, 2560, 2680, 3328, 3484, 3656, 4160, 4288, 4355, 4570, 5360, 5941, 6656, 6968, 7312, 8320, 8576, 8710, 9140, 10720, 11882, 13936, 14624, 16640, 17152, 17420, 18280, 21440, 23764, 27872, 29248, 29705, 30619, 33280, 34304, 34840, 36560, 42880, 47528, 55744, 58496, 59410, 61238, 69680, 73120, 85760, 95056, 111488, 116992, 118820, 122476, 139360, 146240, 153095, 171520, 190112, 222976, 233984, 237640, 244952, 278720, 292480, 306190, 380224, 398047, 445952, 475280, 489904, 557440, 584960, 612380, 760448, 796094, 950560, 979808, 1114880, 1169920, 1224760, 1520896, 1592188, 1901120, 1959616, 1990235, 2229760, 2449520, 3041792, 3184376, 3802240, 3919232, 3980470, 4899040, 6368752, 7604480, 7838464, 7960940, 9798080, 12737504, 15208960, 15676928, 15921880, 19596160, 25475008, 31843760, 39192320, 50950016, 63687520, 78384640, 101900032, 127375040, 203800064, 254750080, 509500160, 1019000320]

約数ペア:

[(1, 1019000320), (2, 509500160), (4, 254750080), (5, 203800064), (8, 127375040), (10, 101900032), (13, 78384640), (16, 63687520), (20, 50950016), (26, 39192320), (32, 31843760), (40, 25475008), (52, 19596160), (64, 15921880), (65, 15676928), (67, 15208960), (80, 12737504), (104, 9798080), (128, 7960940), (130, 7838464), (134, 7604480), (160, 6368752), (208, 4899040), (256, 3980470), (260, 3919232), (268, 3802240), (320, 3184376), (335, 3041792), (416, 2449520), (457, 2229760), (512, 1990235), (520, 1959616), (536, 1901120), (640, 1592188), (670, 1520896), (832, 1224760), (871, 1169920), (914, 1114880), (1040, 979808), (1072, 950560), (1280, 796094), (1340, 760448), (1664, 612380), (1742, 584960), (1828, 557440), (2080, 489904), (2144, 475280), (2285, 445952), (2560, 398047), (2680, 380224), (3328, 306190), (3484, 292480), (3656, 278720), (4160, 244952), (4288, 237640), (4355, 233984), (4570, 222976), (5360, 190112), (5941, 171520), (6656, 153095), (6968, 146240), (7312, 139360), (8320, 122476), (8576, 118820), (8710, 116992), (9140, 111488), (10720, 95056), (11882, 85760), (13936, 73120), (14624, 69680), (16640, 61238), (17152, 59410), (17420, 58496), (18280, 55744), (21440, 47528), (23764, 42880), (27872, 36560), (29248, 34840), (29705, 34304), (30619, 33280)]