2548702975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 4079738880

約数和(自身を除く): 1531035905

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 71, 91, 155, 175, 217, 325, 355, 403, 455, 497, 509, 775, 923, 1085, 1775, 2015, 2201, 2275, 2485, 2545, 2821, 3563, 4615, 5425, 6461, 6617, 10075, 11005, 12425, 12725, 14105, 15407, 15779, 17815, 23075, 28613, 32305, 33085, 36139, 46319, 55025, 70525, 77035, 78895, 89075, 110453, 143065, 161525, 165425, 180695, 200291, 205127, 231595, 252973, 385175, 394475, 469807, 552265, 715325, 903475, 1001455, 1025635, 1120309, 1157975, 1264865, 1435889, 2349035, 2761325, 3288649, 5007275, 5128175, 5601545, 6324325, 7179445, 7842163, 11745175, 14564017, 16443245, 28007725, 35897225, 39210815, 72820085, 82216225, 101948119, 196054075, 364100425, 509740595, 2548702975]

約数ペア:

[(1, 2548702975), (5, 509740595), (7, 364100425), (13, 196054075), (25, 101948119), (31, 82216225), (35, 72820085), (65, 39210815), (71, 35897225), (91, 28007725), (155, 16443245), (175, 14564017), (217, 11745175), (325, 7842163), (355, 7179445), (403, 6324325), (455, 5601545), (497, 5128175), (509, 5007275), (775, 3288649), (923, 2761325), (1085, 2349035), (1775, 1435889), (2015, 1264865), (2201, 1157975), (2275, 1120309), (2485, 1025635), (2545, 1001455), (2821, 903475), (3563, 715325), (4615, 552265), (5425, 469807), (6461, 394475), (6617, 385175), (10075, 252973), (11005, 231595), (12425, 205127), (12725, 200291), (14105, 180695), (15407, 165425), (15779, 161525), (17815, 143065), (23075, 110453), (28613, 89075), (32305, 78895), (33085, 77035), (36139, 70525), (46319, 55025)]