90928040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324743}}^1$

素因数の和:324761

約数の個数: 32

約数和(自身を含む): 233815680

約数和(自身を除く): 142887640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324743, 649486, 1298972, 1623715, 2273201, 2597944, 3247430, 4546402, 6494860, 9092804, 11366005, 12989720, 18185608, 22732010, 45464020, 90928040]

約数ペア:

[(1, 90928040), (2, 45464020), (4, 22732010), (5, 18185608), (7, 12989720), (8, 11366005), (10, 9092804), (14, 6494860), (20, 4546402), (28, 3247430), (35, 2597944), (40, 2273201), (56, 1623715), (70, 1298972), (140, 649486), (280, 324743)]