28759940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4268

約数の個数: 48

約数和(自身を含む): 68027904

約数和(自身を除く): 39267964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4217, 6820, 8434, 16868, 21085, 42170, 46387, 84340, 92774, 130727, 185548, 231935, 261454, 463870, 522908, 653635, 927740, 1307270, 1437997, 2614540, 2875994, 5751988, 7189985, 14379970, 28759940]

約数ペア:

[(1, 28759940), (2, 14379970), (4, 7189985), (5, 5751988), (10, 2875994), (11, 2614540), (20, 1437997), (22, 1307270), (31, 927740), (44, 653635), (55, 522908), (62, 463870), (110, 261454), (124, 231935), (155, 185548), (220, 130727), (310, 92774), (341, 84340), (620, 46387), (682, 42170), (1364, 21085), (1705, 16868), (3410, 8434), (4217, 6820)]