388771250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:469

約数の個数: 80

約数和(自身を含む): 841080768

約数和(自身を除く): 452309518

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 157, 175, 250, 283, 314, 350, 566, 625, 785, 875, 1099, 1250, 1415, 1570, 1750, 1981, 2198, 2830, 3925, 3962, 4375, 5495, 7075, 7850, 8750, 9905, 10990, 14150, 19625, 19810, 27475, 35375, 39250, 44431, 49525, 54950, 70750, 88862, 98125, 99050, 137375, 176875, 196250, 222155, 247625, 274750, 311017, 353750, 444310, 495250, 622034, 686875, 1110775, 1238125, 1373750, 1555085, 2221550, 2476250, 3110170, 5553875, 7775425, 11107750, 15550850, 27769375, 38877125, 55538750, 77754250, 194385625, 388771250]

約数ペア:

[(1, 388771250), (2, 194385625), (5, 77754250), (7, 55538750), (10, 38877125), (14, 27769375), (25, 15550850), (35, 11107750), (50, 7775425), (70, 5553875), (125, 3110170), (157, 2476250), (175, 2221550), (250, 1555085), (283, 1373750), (314, 1238125), (350, 1110775), (566, 686875), (625, 622034), (785, 495250), (875, 444310), (1099, 353750), (1250, 311017), (1415, 274750), (1570, 247625), (1750, 222155), (1981, 196250), (2198, 176875), (2830, 137375), (3925, 99050), (3962, 98125), (4375, 88862), (5495, 70750), (7075, 54950), (7850, 49525), (8750, 44431), (9905, 39250), (10990, 35375), (14150, 27475), (19625, 19810)]