79990400

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{3571}}^1$

素因数の和:3602

約数の個数: 96

約数和(自身を含む): 225893280

約数和(自身を除く): 145902880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 3571, 4480, 5600, 7142, 11200, 14284, 17855, 22400, 24997, 28568, 35710, 49994, 57136, 71420, 89275, 99988, 114272, 124985, 142840, 178550, 199976, 228544, 249970, 285680, 357100, 399952, 457088, 499940, 571360, 624925, 714200, 799904, 999880, 1142720, 1249850, 1428400, 1599808, 1999760, 2285440, 2499700, 2856800, 3199616, 3999520, 4999400, 5713600, 7999040, 9998800, 11427200, 15998080, 19997600, 39995200, 79990400]

約数ペア:

[(1, 79990400), (2, 39995200), (4, 19997600), (5, 15998080), (7, 11427200), (8, 9998800), (10, 7999040), (14, 5713600), (16, 4999400), (20, 3999520), (25, 3199616), (28, 2856800), (32, 2499700), (35, 2285440), (40, 1999760), (50, 1599808), (56, 1428400), (64, 1249850), (70, 1142720), (80, 999880), (100, 799904), (112, 714200), (128, 624925), (140, 571360), (160, 499940), (175, 457088), (200, 399952), (224, 357100), (280, 285680), (320, 249970), (350, 228544), (400, 199976), (448, 178550), (560, 142840), (640, 124985), (700, 114272), (800, 99988), (896, 89275), (1120, 71420), (1400, 57136), (1600, 49994), (2240, 35710), (2800, 28568), (3200, 24997), (3571, 22400), (4480, 17855), (5600, 14284), (7142, 11200)]