61725580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1249}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 148680000

約数和(自身を除く): 86954420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1249, 1412, 1765, 2471, 2498, 3530, 4942, 4996, 6245, 7060, 8743, 9884, 12355, 12490, 17486, 24710, 24980, 34972, 43715, 49420, 87430, 174860, 440897, 881794, 1763588, 2204485, 3086279, 4408970, 6172558, 8817940, 12345116, 15431395, 30862790, 61725580]

約数ペア:

[(1, 61725580), (2, 30862790), (4, 15431395), (5, 12345116), (7, 8817940), (10, 6172558), (14, 4408970), (20, 3086279), (28, 2204485), (35, 1763588), (70, 881794), (140, 440897), (353, 174860), (706, 87430), (1249, 49420), (1412, 43715), (1765, 34972), (2471, 24980), (2498, 24710), (3530, 17486), (4942, 12490), (4996, 12355), (6245, 9884), (7060, 8743)]