23954980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 57770496

約数和(自身を除く): 33815516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 431, 794, 862, 1588, 1724, 1985, 2155, 2779, 3017, 3970, 4310, 5558, 6034, 7940, 8620, 11116, 12068, 13895, 15085, 27790, 30170, 55580, 60340, 171107, 342214, 684428, 855535, 1197749, 1711070, 2395498, 3422140, 4790996, 5988745, 11977490, 23954980]

約数ペア:

[(1, 23954980), (2, 11977490), (4, 5988745), (5, 4790996), (7, 3422140), (10, 2395498), (14, 1711070), (20, 1197749), (28, 855535), (35, 684428), (70, 342214), (140, 171107), (397, 60340), (431, 55580), (794, 30170), (862, 27790), (1588, 15085), (1724, 13895), (1985, 12068), (2155, 11116), (2779, 8620), (3017, 7940), (3970, 6034), (4310, 5558)]