1279260010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{20149}}^1$

素因数の和:21070

約数の個数: 32

約数和(自身を含む): 2634652800

約数和(自身を除く): 1355392790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 907, 1814, 4535, 6349, 9070, 12698, 20149, 31745, 40298, 63490, 100745, 141043, 201490, 282086, 705215, 1410430, 18275143, 36550286, 91375715, 127926001, 182751430, 255852002, 639630005, 1279260010]

約数ペア:

[(1, 1279260010), (2, 639630005), (5, 255852002), (7, 182751430), (10, 127926001), (14, 91375715), (35, 36550286), (70, 18275143), (907, 1410430), (1814, 705215), (4535, 282086), (6349, 201490), (9070, 141043), (12698, 100745), (20149, 63490), (31745, 40298)]