173618620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72949}}^1$

素因数の和:72982

約数の個数: 48

約数和(自身を含む): 441201600

約数和(自身を除く): 267582980

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 72949, 145898, 291796, 364745, 510643, 729490, 1021286, 1240133, 1458980, 2042572, 2480266, 2553215, 4960532, 5106430, 6200665, 8680931, 10212860, 12401330, 17361862, 24802660, 34723724, 43404655, 86809310, 173618620]

約数ペア:

[(1, 173618620), (2, 86809310), (4, 43404655), (5, 34723724), (7, 24802660), (10, 17361862), (14, 12401330), (17, 10212860), (20, 8680931), (28, 6200665), (34, 5106430), (35, 4960532), (68, 2553215), (70, 2480266), (85, 2042572), (119, 1458980), (140, 1240133), (170, 1021286), (238, 729490), (340, 510643), (476, 364745), (595, 291796), (1190, 145898), (2380, 72949)]