4988620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 12898368

約数和(自身を除く): 7909748

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2741, 5482, 10964, 13705, 19187, 27410, 35633, 38374, 54820, 71266, 76748, 95935, 142532, 178165, 191870, 249431, 356330, 383740, 498862, 712660, 997724, 1247155, 2494310, 4988620]

約数ペア:

[(1, 4988620), (2, 2494310), (4, 1247155), (5, 997724), (7, 712660), (10, 498862), (13, 383740), (14, 356330), (20, 249431), (26, 191870), (28, 178165), (35, 142532), (52, 95935), (65, 76748), (70, 71266), (91, 54820), (130, 38374), (140, 35633), (182, 27410), (260, 19187), (364, 13705), (455, 10964), (910, 5482), (1820, 2741)]