15814420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 35492688

約数和(自身を除く): 19678268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 241, 340, 386, 482, 772, 964, 965, 1205, 1930, 2410, 3281, 3860, 4097, 4820, 6562, 8194, 13124, 16388, 16405, 20485, 32810, 40970, 46513, 65620, 81940, 93026, 186052, 232565, 465130, 790721, 930260, 1581442, 3162884, 3953605, 7907210, 15814420]

約数ペア:

[(1, 15814420), (2, 7907210), (4, 3953605), (5, 3162884), (10, 1581442), (17, 930260), (20, 790721), (34, 465130), (68, 232565), (85, 186052), (170, 93026), (193, 81940), (241, 65620), (340, 46513), (386, 40970), (482, 32810), (772, 20485), (964, 16405), (965, 16388), (1205, 13124), (1930, 8194), (2410, 6562), (3281, 4820), (3860, 4097)]