16538620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6949}}^1$

素因数の和:6982

約数の個数: 48

約数和(自身を含む): 42033600

約数和(自身を除く): 25494980

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, 6949, 13898, 27796, 34745, 48643, 69490, 97286, 118133, 138980, 194572, 236266, 243215, 472532, 486430, 590665, 826931, 972860, 1181330, 1653862, 2362660, 3307724, 4134655, 8269310, 16538620]

約数ペア:

[(1, 16538620), (2, 8269310), (4, 4134655), (5, 3307724), (7, 2362660), (10, 1653862), (14, 1181330), (17, 972860), (20, 826931), (28, 590665), (34, 486430), (35, 472532), (68, 243215), (70, 236266), (85, 194572), (119, 138980), (140, 118133), (170, 97286), (238, 69490), (340, 48643), (476, 34745), (595, 27796), (1190, 13898), (2380, 6949)]