7397780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 17204880

約数和(自身を除く): 9807100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 769, 962, 1538, 1924, 2405, 3076, 3845, 4810, 7690, 9620, 9997, 15380, 19994, 28453, 39988, 49985, 56906, 99970, 113812, 142265, 199940, 284530, 369889, 569060, 739778, 1479556, 1849445, 3698890, 7397780]

約数ペア:

[(1, 7397780), (2, 3698890), (4, 1849445), (5, 1479556), (10, 739778), (13, 569060), (20, 369889), (26, 284530), (37, 199940), (52, 142265), (65, 113812), (74, 99970), (130, 56906), (148, 49985), (185, 39988), (260, 28453), (370, 19994), (481, 15380), (740, 9997), (769, 9620), (962, 7690), (1538, 4810), (1924, 3845), (2405, 3076)]