281445812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^2$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 562169160

約数和(自身を除く): 280723348

約数列:

[1, 2, 4, 17, 29, 34, 41, 58, 59, 68, 82, 116, 118, 164, 236, 493, 697, 986, 1003, 1189, 1394, 1711, 1972, 2006, 2378, 2419, 2788, 3422, 3481, 4012, 4756, 4838, 6844, 6962, 9676, 13924, 20213, 29087, 40426, 41123, 58174, 59177, 70151, 80852, 82246, 100949, 116348, 118354, 140302, 142721, 164492, 201898, 236708, 280604, 285442, 403796, 570884, 1192567, 1716133, 2385134, 2426257, 3432266, 4138909, 4770268, 4852514, 6864532, 8277818, 9705028, 16555636, 70361453, 140722906, 281445812]

約数ペア:

[(1, 281445812), (2, 140722906), (4, 70361453), (17, 16555636), (29, 9705028), (34, 8277818), (41, 6864532), (58, 4852514), (59, 4770268), (68, 4138909), (82, 3432266), (116, 2426257), (118, 2385134), (164, 1716133), (236, 1192567), (493, 570884), (697, 403796), (986, 285442), (1003, 280604), (1189, 236708), (1394, 201898), (1711, 164492), (1972, 142721), (2006, 140302), (2378, 118354), (2419, 116348), (2788, 100949), (3422, 82246), (3481, 80852), (4012, 70151), (4756, 59177), (4838, 58174), (6844, 41123), (6962, 40426), (9676, 29087), (13924, 20213)]