209991040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2512

約数の個数: 128

約数和(自身を含む): 604166400

約数和(自身を除く): 394175360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2432, 2467, 2660, 3040, 4256, 4480, 4934, 5320, 6080, 8512, 9868, 10640, 12160, 12335, 17024, 17269, 19736, 21280, 24670, 34538, 39472, 42560, 46873, 49340, 69076, 78944, 85120, 86345, 93746, 98680, 138152, 157888, 172690, 187492, 197360, 234365, 276304, 315776, 328111, 345380, 374984, 394720, 468730, 552608, 656222, 690760, 749968, 789440, 937460, 1105216, 1312444, 1381520, 1499936, 1578880, 1640555, 1874920, 2210432, 2624888, 2763040, 2999872, 3281110, 3749840, 5249776, 5526080, 5999744, 6562220, 7499680, 10499552, 11052160, 13124440, 14999360, 20999104, 26248880, 29998720, 41998208, 52497760, 104995520, 209991040]

約数ペア:

[(1, 209991040), (2, 104995520), (4, 52497760), (5, 41998208), (7, 29998720), (8, 26248880), (10, 20999104), (14, 14999360), (16, 13124440), (19, 11052160), (20, 10499552), (28, 7499680), (32, 6562220), (35, 5999744), (38, 5526080), (40, 5249776), (56, 3749840), (64, 3281110), (70, 2999872), (76, 2763040), (80, 2624888), (95, 2210432), (112, 1874920), (128, 1640555), (133, 1578880), (140, 1499936), (152, 1381520), (160, 1312444), (190, 1105216), (224, 937460), (266, 789440), (280, 749968), (304, 690760), (320, 656222), (380, 552608), (448, 468730), (532, 394720), (560, 374984), (608, 345380), (640, 328111), (665, 315776), (760, 276304), (896, 234365), (1064, 197360), (1120, 187492), (1216, 172690), (1330, 157888), (1520, 138152), (2128, 98680), (2240, 93746), (2432, 86345), (2467, 85120), (2660, 78944), (3040, 69076), (4256, 49340), (4480, 46873), (4934, 42560), (5320, 39472), (6080, 34538), (8512, 24670), (9868, 21280), (10640, 19736), (12160, 17269), (12335, 17024)]