207328540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1997}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 453146400

約数和(自身を除く): 245817860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 716, 895, 1790, 1997, 3580, 3994, 5191, 7988, 9985, 10382, 19970, 20764, 25955, 39940, 51910, 57913, 103820, 115826, 231652, 289565, 357463, 579130, 714926, 1158260, 1429852, 1787315, 3574630, 7149260, 10366427, 20732854, 41465708, 51832135, 103664270, 207328540]

約数ペア:

[(1, 207328540), (2, 103664270), (4, 51832135), (5, 41465708), (10, 20732854), (20, 10366427), (29, 7149260), (58, 3574630), (116, 1787315), (145, 1429852), (179, 1158260), (290, 714926), (358, 579130), (580, 357463), (716, 289565), (895, 231652), (1790, 115826), (1997, 103820), (3580, 57913), (3994, 51910), (5191, 39940), (7988, 25955), (9985, 20764), (10382, 19970)]