38961420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20947}}^1$

素因数の和:20990

約数の個数: 48

約数和(自身を含む): 112616448

約数和(自身を除く): 73655028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 20947, 41894, 62841, 83788, 104735, 125682, 209470, 251364, 314205, 418940, 628410, 649357, 1256820, 1298714, 1948071, 2597428, 3246785, 3896142, 6493570, 7792284, 9740355, 12987140, 19480710, 38961420]

約数ペア:

[(1, 38961420), (2, 19480710), (3, 12987140), (4, 9740355), (5, 7792284), (6, 6493570), (10, 3896142), (12, 3246785), (15, 2597428), (20, 1948071), (30, 1298714), (31, 1256820), (60, 649357), (62, 628410), (93, 418940), (124, 314205), (155, 251364), (186, 209470), (310, 125682), (372, 104735), (465, 83788), (620, 62841), (930, 41894), (1860, 20947)]