7219840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 17901000

約数和(自身を除く): 10681160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 389, 464, 580, 640, 778, 928, 1160, 1556, 1856, 1945, 2320, 3112, 3712, 3890, 4640, 6224, 7780, 9280, 11281, 12448, 15560, 18560, 22562, 24896, 31120, 45124, 49792, 56405, 62240, 90248, 112810, 124480, 180496, 225620, 248960, 360992, 451240, 721984, 902480, 1443968, 1804960, 3609920, 7219840]

約数ペア:

[(1, 7219840), (2, 3609920), (4, 1804960), (5, 1443968), (8, 902480), (10, 721984), (16, 451240), (20, 360992), (29, 248960), (32, 225620), (40, 180496), (58, 124480), (64, 112810), (80, 90248), (116, 62240), (128, 56405), (145, 49792), (160, 45124), (232, 31120), (290, 24896), (320, 22562), (389, 18560), (464, 15560), (580, 12448), (640, 11281), (778, 9280), (928, 7780), (1160, 6224), (1556, 4640), (1856, 3890), (1945, 3712), (2320, 3112)]