247936640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{55343}}^1$

素因数の和:55369

約数の個数: 64

約数和(自身を含む): 677410560

約数和(自身を除く): 429473920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 55343, 110686, 221372, 276715, 387401, 442744, 553430, 774802, 885488, 1106860, 1549604, 1770976, 1937005, 2213720, 3099208, 3541952, 3874010, 4427440, 6198416, 7083904, 7748020, 8854880, 12396832, 15496040, 17709760, 24793664, 30992080, 35419520, 49587328, 61984160, 123968320, 247936640]

約数ペア:

[(1, 247936640), (2, 123968320), (4, 61984160), (5, 49587328), (7, 35419520), (8, 30992080), (10, 24793664), (14, 17709760), (16, 15496040), (20, 12396832), (28, 8854880), (32, 7748020), (35, 7083904), (40, 6198416), (56, 4427440), (64, 3874010), (70, 3541952), (80, 3099208), (112, 2213720), (128, 1937005), (140, 1770976), (160, 1549604), (224, 1106860), (280, 885488), (320, 774802), (448, 553430), (560, 442744), (640, 387401), (896, 276715), (1120, 221372), (2240, 110686), (4480, 55343)]