143649920

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 344892600

約数和(自身を除く): 201242680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 577, 640, 778, 1154, 1556, 1945, 2308, 2885, 3112, 3890, 4616, 5770, 6224, 7780, 9232, 11540, 12448, 15560, 18464, 23080, 24896, 31120, 36928, 46160, 49792, 62240, 73856, 92320, 124480, 184640, 224453, 248960, 369280, 448906, 897812, 1122265, 1795624, 2244530, 3591248, 4489060, 7182496, 8978120, 14364992, 17956240, 28729984, 35912480, 71824960, 143649920]

約数ペア:

[(1, 143649920), (2, 71824960), (4, 35912480), (5, 28729984), (8, 17956240), (10, 14364992), (16, 8978120), (20, 7182496), (32, 4489060), (40, 3591248), (64, 2244530), (80, 1795624), (128, 1122265), (160, 897812), (320, 448906), (389, 369280), (577, 248960), (640, 224453), (778, 184640), (1154, 124480), (1556, 92320), (1945, 73856), (2308, 62240), (2885, 49792), (3112, 46160), (3890, 36928), (4616, 31120), (5770, 24896), (6224, 23080), (7780, 18464), (9232, 15560), (11540, 12448)]