245719516

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 530791296

約数和(自身を除く): 285071780

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 49, 62, 74, 98, 124, 148, 196, 217, 259, 434, 518, 868, 1036, 1093, 1147, 1519, 1813, 2186, 2294, 3038, 3626, 4372, 4588, 6076, 7252, 7651, 8029, 15302, 16058, 30604, 32116, 33883, 40441, 53557, 56203, 67766, 80882, 107114, 112406, 135532, 161764, 214228, 224812, 237181, 283087, 474362, 566174, 948724, 1132348, 1253671, 1660267, 1981609, 2507342, 3320534, 3963218, 5014684, 6641068, 7926436, 8775697, 17551394, 35102788, 61429879, 122859758, 245719516]

約数ペア:

[(1, 245719516), (2, 122859758), (4, 61429879), (7, 35102788), (14, 17551394), (28, 8775697), (31, 7926436), (37, 6641068), (49, 5014684), (62, 3963218), (74, 3320534), (98, 2507342), (124, 1981609), (148, 1660267), (196, 1253671), (217, 1132348), (259, 948724), (434, 566174), (518, 474362), (868, 283087), (1036, 237181), (1093, 224812), (1147, 214228), (1519, 161764), (1813, 135532), (2186, 112406), (2294, 107114), (3038, 80882), (3626, 67766), (4372, 56203), (4588, 53557), (6076, 40441), (7252, 33883), (7651, 32116), (8029, 30604), (15302, 16058)]