4146220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 9652608

約数和(自身を除く): 5506388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 431, 481, 740, 862, 962, 1724, 1924, 2155, 2405, 4310, 4810, 5603, 8620, 9620, 11206, 15947, 22412, 28015, 31894, 56030, 63788, 79735, 112060, 159470, 207311, 318940, 414622, 829244, 1036555, 2073110, 4146220]

約数ペア:

[(1, 4146220), (2, 2073110), (4, 1036555), (5, 829244), (10, 414622), (13, 318940), (20, 207311), (26, 159470), (37, 112060), (52, 79735), (65, 63788), (74, 56030), (130, 31894), (148, 28015), (185, 22412), (260, 15947), (370, 11206), (431, 9620), (481, 8620), (740, 5603), (862, 4810), (962, 4310), (1724, 2405), (1924, 2155)]