210923720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6911}}^1$

素因数の和:7038

約数の個数: 64

約数和(自身を含む): 547430400

約数和(自身を除く): 336506680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 6911, 7630, 13822, 15260, 27644, 30520, 34555, 48377, 55288, 69110, 96754, 138220, 193508, 241885, 276440, 387016, 483770, 753299, 967540, 1506598, 1935080, 3013196, 3766495, 5273093, 6026392, 7532990, 10546186, 15065980, 21092372, 26365465, 30131960, 42184744, 52730930, 105461860, 210923720]

約数ペア:

[(1, 210923720), (2, 105461860), (4, 52730930), (5, 42184744), (7, 30131960), (8, 26365465), (10, 21092372), (14, 15065980), (20, 10546186), (28, 7532990), (35, 6026392), (40, 5273093), (56, 3766495), (70, 3013196), (109, 1935080), (140, 1506598), (218, 967540), (280, 753299), (436, 483770), (545, 387016), (763, 276440), (872, 241885), (1090, 193508), (1526, 138220), (2180, 96754), (3052, 69110), (3815, 55288), (4360, 48377), (6104, 34555), (6911, 30520), (7630, 27644), (13822, 15260)]