221926880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{28307}}^1$

素因数の和:28336

約数の個数: 72

約数和(自身を含む): 609924168

約数和(自身を除く): 387997288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 28307, 56614, 113228, 141535, 198149, 226456, 283070, 396298, 452912, 566140, 792596, 905824, 990745, 1132280, 1387043, 1585192, 1981490, 2264560, 2774086, 3170384, 3962980, 4529120, 5548172, 6340768, 6935215, 7925960, 11096344, 13870430, 15851920, 22192688, 27740860, 31703840, 44385376, 55481720, 110963440, 221926880]

約数ペア:

[(1, 221926880), (2, 110963440), (4, 55481720), (5, 44385376), (7, 31703840), (8, 27740860), (10, 22192688), (14, 15851920), (16, 13870430), (20, 11096344), (28, 7925960), (32, 6935215), (35, 6340768), (40, 5548172), (49, 4529120), (56, 3962980), (70, 3170384), (80, 2774086), (98, 2264560), (112, 1981490), (140, 1585192), (160, 1387043), (196, 1132280), (224, 990745), (245, 905824), (280, 792596), (392, 566140), (490, 452912), (560, 396298), (784, 283070), (980, 226456), (1120, 198149), (1568, 141535), (1960, 113228), (3920, 56614), (7840, 28307)]