82947940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 180794880

約数和(自身を除く): 97846940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 353, 379, 620, 706, 758, 1412, 1516, 1765, 1895, 3530, 3790, 7060, 7580, 10943, 11749, 21886, 23498, 43772, 46996, 54715, 58745, 109430, 117490, 133787, 218860, 234980, 267574, 535148, 668935, 1337870, 2675740, 4147397, 8294794, 16589588, 20736985, 41473970, 82947940]

約数ペア:

[(1, 82947940), (2, 41473970), (4, 20736985), (5, 16589588), (10, 8294794), (20, 4147397), (31, 2675740), (62, 1337870), (124, 668935), (155, 535148), (310, 267574), (353, 234980), (379, 218860), (620, 133787), (706, 117490), (758, 109430), (1412, 58745), (1516, 54715), (1765, 46996), (1895, 43772), (3530, 23498), (3790, 21886), (7060, 11749), (7580, 10943)]