303291268

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2\times {\mathrm{71}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 640628352

約数和(自身を除く): 337337084

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 71, 82, 122, 142, 164, 244, 284, 287, 427, 497, 574, 854, 994, 1148, 1708, 1988, 2501, 2911, 3721, 4331, 5002, 5822, 7442, 8662, 10004, 11644, 14884, 17324, 17507, 20377, 26047, 30317, 35014, 40754, 52094, 60634, 70028, 81508, 104188, 121268, 152561, 177571, 264191, 305122, 355142, 528382, 610244, 710284, 1056764, 1067927, 1242997, 1849337, 2135854, 2485994, 3698674, 4271708, 4971988, 7397348, 10831831, 21663662, 43327324, 75822817, 151645634, 303291268]

約数ペア:

[(1, 303291268), (2, 151645634), (4, 75822817), (7, 43327324), (14, 21663662), (28, 10831831), (41, 7397348), (61, 4971988), (71, 4271708), (82, 3698674), (122, 2485994), (142, 2135854), (164, 1849337), (244, 1242997), (284, 1067927), (287, 1056764), (427, 710284), (497, 610244), (574, 528382), (854, 355142), (994, 305122), (1148, 264191), (1708, 177571), (1988, 152561), (2501, 121268), (2911, 104188), (3721, 81508), (4331, 70028), (5002, 60634), (5822, 52094), (7442, 40754), (8662, 35014), (10004, 30317), (11644, 26047), (14884, 20377), (17324, 17507)]