30390620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 69219360

約数和(自身を除く): 38828740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 653, 716, 895, 1306, 1790, 2327, 2612, 3265, 3580, 4654, 6530, 8489, 9308, 11635, 13060, 16978, 23270, 33956, 42445, 46540, 84890, 116887, 169780, 233774, 467548, 584435, 1168870, 1519531, 2337740, 3039062, 6078124, 7597655, 15195310, 30390620]

約数ペア:

[(1, 30390620), (2, 15195310), (4, 7597655), (5, 6078124), (10, 3039062), (13, 2337740), (20, 1519531), (26, 1168870), (52, 584435), (65, 467548), (130, 233774), (179, 169780), (260, 116887), (358, 84890), (653, 46540), (716, 42445), (895, 33956), (1306, 23270), (1790, 16978), (2327, 13060), (2612, 11635), (3265, 9308), (3580, 8489), (4654, 6530)]