253120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{113}}^1$

素因数の和:137

約数の個数: 56

約数和(自身を含む): 694944

約数和(自身を除く): 441824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 140, 160, 224, 226, 280, 320, 448, 452, 560, 565, 791, 904, 1120, 1130, 1582, 1808, 2240, 2260, 3164, 3616, 3955, 4520, 6328, 7232, 7910, 9040, 12656, 15820, 18080, 25312, 31640, 36160, 50624, 63280, 126560, 253120]

約数ペア:

[(1, 253120), (2, 126560), (4, 63280), (5, 50624), (7, 36160), (8, 31640), (10, 25312), (14, 18080), (16, 15820), (20, 12656), (28, 9040), (32, 7910), (35, 7232), (40, 6328), (56, 4520), (64, 3955), (70, 3616), (80, 3164), (112, 2260), (113, 2240), (140, 1808), (160, 1582), (224, 1130), (226, 1120), (280, 904), (320, 791), (448, 565), (452, 560)]