1388753000

素因数分解:

$2^3\times 5^3\times {\mathrm{107}}^1\times {\mathrm{12979}}^1$

素因数の和:13107

約数の個数: 64

約数和(自身を含む): 3280305600

約数和(自身を除く): 1891552600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 428, 500, 535, 856, 1000, 1070, 2140, 2675, 4280, 5350, 10700, 12979, 13375, 21400, 25958, 26750, 51916, 53500, 64895, 103832, 107000, 129790, 259580, 324475, 519160, 648950, 1297900, 1388753, 1622375, 2595800, 2777506, 3244750, 5555012, 6489500, 6943765, 11110024, 12979000, 13887530, 27775060, 34718825, 55550120, 69437650, 138875300, 173594125, 277750600, 347188250, 694376500, 1388753000]

約数ペア:

[(1, 1388753000), (2, 694376500), (4, 347188250), (5, 277750600), (8, 173594125), (10, 138875300), (20, 69437650), (25, 55550120), (40, 34718825), (50, 27775060), (100, 13887530), (107, 12979000), (125, 11110024), (200, 6943765), (214, 6489500), (250, 5555012), (428, 3244750), (500, 2777506), (535, 2595800), (856, 1622375), (1000, 1388753), (1070, 1297900), (2140, 648950), (2675, 519160), (4280, 324475), (5350, 259580), (10700, 129790), (12979, 107000), (13375, 103832), (21400, 64895), (25958, 53500), (26750, 51916)]