2646980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 6731928

約数和(自身を除く): 4084948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 73, 74, 98, 140, 146, 148, 185, 196, 245, 259, 292, 365, 370, 490, 511, 518, 730, 740, 980, 1022, 1036, 1295, 1460, 1813, 2044, 2555, 2590, 2701, 3577, 3626, 5110, 5180, 5402, 7154, 7252, 9065, 10220, 10804, 13505, 14308, 17885, 18130, 18907, 27010, 35770, 36260, 37814, 54020, 71540, 75628, 94535, 132349, 189070, 264698, 378140, 529396, 661745, 1323490, 2646980]

約数ペア:

[(1, 2646980), (2, 1323490), (4, 661745), (5, 529396), (7, 378140), (10, 264698), (14, 189070), (20, 132349), (28, 94535), (35, 75628), (37, 71540), (49, 54020), (70, 37814), (73, 36260), (74, 35770), (98, 27010), (140, 18907), (146, 18130), (148, 17885), (185, 14308), (196, 13505), (245, 10804), (259, 10220), (292, 9065), (365, 7252), (370, 7154), (490, 5402), (511, 5180), (518, 5110), (730, 3626), (740, 3577), (980, 2701), (1022, 2590), (1036, 2555), (1295, 2044), (1460, 1813)]