2621142440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{62827}}^1$

素因数の和:62994

約数の個数: 64

約数和(自身を含む): 6785424000

約数和(自身を除く): 4164281560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 8344, 10430, 20860, 41720, 62827, 125654, 251308, 314135, 439789, 502616, 628270, 879578, 1256540, 1759156, 2198945, 2513080, 3518312, 4397890, 8795780, 9361223, 17591560, 18722446, 37444892, 46806115, 65528561, 74889784, 93612230, 131057122, 187224460, 262114244, 327642805, 374448920, 524228488, 655285610, 1310571220, 2621142440]

約数ペア:

[(1, 2621142440), (2, 1310571220), (4, 655285610), (5, 524228488), (7, 374448920), (8, 327642805), (10, 262114244), (14, 187224460), (20, 131057122), (28, 93612230), (35, 74889784), (40, 65528561), (56, 46806115), (70, 37444892), (140, 18722446), (149, 17591560), (280, 9361223), (298, 8795780), (596, 4397890), (745, 3518312), (1043, 2513080), (1192, 2198945), (1490, 1759156), (2086, 1256540), (2980, 879578), (4172, 628270), (5215, 502616), (5960, 439789), (8344, 314135), (10430, 251308), (20860, 125654), (41720, 62827)]