142718345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 222842880

約数和(自身を除く): 80124535

約数列:

[1, 5, 7, 11, 35, 55, 59, 61, 77, 103, 295, 305, 385, 413, 427, 515, 649, 671, 721, 1133, 2065, 2135, 3245, 3355, 3599, 3605, 4543, 4697, 5665, 6077, 6283, 7931, 17995, 22715, 23485, 25193, 30385, 31415, 39589, 39655, 42539, 43981, 66847, 69113, 125965, 197945, 212695, 219905, 277123, 334235, 345565, 370697, 467929, 483791, 1385615, 1853485, 2339645, 2418955, 2594879, 4077667, 12974395, 20388335, 28543669, 142718345]

約数ペア:

[(1, 142718345), (5, 28543669), (7, 20388335), (11, 12974395), (35, 4077667), (55, 2594879), (59, 2418955), (61, 2339645), (77, 1853485), (103, 1385615), (295, 483791), (305, 467929), (385, 370697), (413, 345565), (427, 334235), (515, 277123), (649, 219905), (671, 212695), (721, 197945), (1133, 125965), (2065, 69113), (2135, 66847), (3245, 43981), (3355, 42539), (3599, 39655), (3605, 39589), (4543, 31415), (4697, 30385), (5665, 25193), (6077, 23485), (6283, 22715), (7931, 17995)]