127723975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 178247520

約数和(自身を除く): 50523545

約数列:

[1, 5, 17, 25, 29, 43, 85, 145, 215, 241, 425, 493, 725, 731, 1075, 1205, 1247, 2465, 3655, 4097, 6025, 6235, 6989, 10363, 12325, 18275, 20485, 21199, 31175, 34945, 51815, 102425, 105995, 118813, 174725, 176171, 259075, 300527, 529975, 594065, 880855, 1502635, 2970325, 4404275, 5108959, 7513175, 25544795, 127723975]

約数ペア:

[(1, 127723975), (5, 25544795), (17, 7513175), (25, 5108959), (29, 4404275), (43, 2970325), (85, 1502635), (145, 880855), (215, 594065), (241, 529975), (425, 300527), (493, 259075), (725, 176171), (731, 174725), (1075, 118813), (1205, 105995), (1247, 102425), (2465, 51815), (3655, 34945), (4097, 31175), (6025, 21199), (6235, 20485), (6989, 18275), (10363, 12325)]