53303180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 131670000

約数和(自身を除く): 78366820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 499, 545, 763, 980, 998, 1090, 1526, 1996, 2180, 2495, 3052, 3493, 3815, 4990, 5341, 6986, 7630, 9980, 10682, 13972, 15260, 17465, 21364, 24451, 26705, 34930, 48902, 53410, 54391, 69860, 97804, 106820, 108782, 122255, 217564, 244510, 271955, 380737, 489020, 543910, 761474, 1087820, 1522948, 1903685, 2665159, 3807370, 5330318, 7614740, 10660636, 13325795, 26651590, 53303180]

約数ペア:

[(1, 53303180), (2, 26651590), (4, 13325795), (5, 10660636), (7, 7614740), (10, 5330318), (14, 3807370), (20, 2665159), (28, 1903685), (35, 1522948), (49, 1087820), (70, 761474), (98, 543910), (109, 489020), (140, 380737), (196, 271955), (218, 244510), (245, 217564), (436, 122255), (490, 108782), (499, 106820), (545, 97804), (763, 69860), (980, 54391), (998, 53410), (1090, 48902), (1526, 34930), (1996, 26705), (2180, 24451), (2495, 21364), (3052, 17465), (3493, 15260), (3815, 13972), (4990, 10682), (5341, 9980), (6986, 7630)]