236430280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{66413}}^1$

素因数の和:66513

約数の個数: 32

約数和(自身を含む): 537953400

約数和(自身を除く): 301523120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 66413, 132826, 265652, 332065, 531304, 664130, 1328260, 2656520, 5910757, 11821514, 23643028, 29553785, 47286056, 59107570, 118215140, 236430280]

約数ペア:

[(1, 236430280), (2, 118215140), (4, 59107570), (5, 47286056), (8, 29553785), (10, 23643028), (20, 11821514), (40, 5910757), (89, 2656520), (178, 1328260), (356, 664130), (445, 531304), (712, 332065), (890, 265652), (1780, 132826), (3560, 66413)]