1330996975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 2089866240

約数和(自身を除く): 758869265

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 239, 263, 275, 385, 605, 847, 1195, 1315, 1673, 1841, 1925, 2629, 2893, 3025, 4235, 5975, 6575, 8365, 9205, 13145, 14465, 18403, 20251, 21175, 28919, 31823, 41825, 46025, 62857, 65725, 72325, 92015, 101255, 144595, 159115, 202433, 222761, 314285, 439999, 460075, 506275, 691427, 722975, 795575, 1012165, 1113805, 1571425, 2199995, 3457135, 4839989, 5060825, 5569025, 7605697, 10999975, 17285675, 24199945, 38028485, 53239879, 120999725, 190142425, 266199395, 1330996975]

約数ペア:

[(1, 1330996975), (5, 266199395), (7, 190142425), (11, 120999725), (25, 53239879), (35, 38028485), (55, 24199945), (77, 17285675), (121, 10999975), (175, 7605697), (239, 5569025), (263, 5060825), (275, 4839989), (385, 3457135), (605, 2199995), (847, 1571425), (1195, 1113805), (1315, 1012165), (1673, 795575), (1841, 722975), (1925, 691427), (2629, 506275), (2893, 460075), (3025, 439999), (4235, 314285), (5975, 222761), (6575, 202433), (8365, 159115), (9205, 144595), (13145, 101255), (14465, 92015), (18403, 72325), (20251, 65725), (21175, 62857), (28919, 46025), (31823, 41825)]