257795268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 662323200

約数和(自身を除く): 404527932

約数列:

[1, 2, 3, 4, 6, 12, 19, 29, 38, 57, 58, 76, 87, 114, 116, 127, 174, 228, 254, 307, 348, 381, 508, 551, 614, 762, 921, 1102, 1228, 1524, 1653, 1842, 2204, 2413, 3306, 3683, 3684, 4826, 5833, 6612, 7239, 7366, 8903, 9652, 11049, 11666, 14478, 14732, 17499, 17806, 22098, 23332, 26709, 28956, 34998, 35612, 38989, 44196, 53418, 69977, 69996, 77978, 106836, 116967, 139954, 155956, 169157, 209931, 233934, 279908, 338314, 419862, 467868, 507471, 676628, 740791, 839724, 1014942, 1130681, 1481582, 2029884, 2222373, 2261362, 2963164, 3392043, 4444746, 4522724, 6784086, 8889492, 13568172, 21482939, 42965878, 64448817, 85931756, 128897634, 257795268]

約数ペア:

[(1, 257795268), (2, 128897634), (3, 85931756), (4, 64448817), (6, 42965878), (12, 21482939), (19, 13568172), (29, 8889492), (38, 6784086), (57, 4522724), (58, 4444746), (76, 3392043), (87, 2963164), (114, 2261362), (116, 2222373), (127, 2029884), (174, 1481582), (228, 1130681), (254, 1014942), (307, 839724), (348, 740791), (381, 676628), (508, 507471), (551, 467868), (614, 419862), (762, 338314), (921, 279908), (1102, 233934), (1228, 209931), (1524, 169157), (1653, 155956), (1842, 139954), (2204, 116967), (2413, 106836), (3306, 77978), (3683, 69996), (3684, 69977), (4826, 53418), (5833, 44196), (6612, 38989), (7239, 35612), (7366, 34998), (8903, 28956), (9652, 26709), (11049, 23332), (11666, 22098), (14478, 17806), (14732, 17499)]