1285192750

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 2454484032

約数和(自身を除く): 1169291282

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 241, 250, 257, 415, 482, 514, 830, 1205, 1285, 2075, 2410, 2570, 4150, 6025, 6425, 10375, 12050, 12850, 20003, 20750, 21331, 30125, 32125, 40006, 42662, 60250, 61937, 64250, 100015, 106655, 123874, 200030, 213310, 309685, 500075, 533275, 619370, 1000150, 1066550, 1548425, 2500375, 2666375, 3096850, 5000750, 5140771, 5332750, 7742125, 10281542, 15484250, 25703855, 51407710, 128519275, 257038550, 642596375, 1285192750]

約数ペア:

[(1, 1285192750), (2, 642596375), (5, 257038550), (10, 128519275), (25, 51407710), (50, 25703855), (83, 15484250), (125, 10281542), (166, 7742125), (241, 5332750), (250, 5140771), (257, 5000750), (415, 3096850), (482, 2666375), (514, 2500375), (830, 1548425), (1205, 1066550), (1285, 1000150), (2075, 619370), (2410, 533275), (2570, 500075), (4150, 309685), (6025, 213310), (6425, 200030), (10375, 123874), (12050, 106655), (12850, 100015), (20003, 64250), (20750, 61937), (21331, 60250), (30125, 42662), (32125, 40006)]