68651240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245183}}^1$

素因数の和:245201

約数の個数: 32

約数和(自身を含む): 176532480

約数和(自身を除く): 107881240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245183, 490366, 980732, 1225915, 1716281, 1961464, 2451830, 3432562, 4903660, 6865124, 8581405, 9807320, 13730248, 17162810, 34325620, 68651240]

約数ペア:

[(1, 68651240), (2, 34325620), (4, 17162810), (5, 13730248), (7, 9807320), (8, 8581405), (10, 6865124), (14, 4903660), (20, 3432562), (28, 2451830), (35, 1961464), (40, 1716281), (56, 1225915), (70, 980732), (140, 490366), (280, 245183)]