28356790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5261}}^1$

素因数の和:5293

約数の個数: 48

約数和(自身を含む): 64785744

約数和(自身を除く): 36428954

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5261, 5390, 10522, 26305, 36827, 52610, 57871, 73654, 115742, 184135, 257789, 289355, 368270, 405097, 515578, 578710, 810194, 1288945, 2025485, 2577890, 2835679, 4050970, 5671358, 14178395, 28356790]

約数ペア:

[(1, 28356790), (2, 14178395), (5, 5671358), (7, 4050970), (10, 2835679), (11, 2577890), (14, 2025485), (22, 1288945), (35, 810194), (49, 578710), (55, 515578), (70, 405097), (77, 368270), (98, 289355), (110, 257789), (154, 184135), (245, 115742), (385, 73654), (490, 57871), (539, 52610), (770, 36827), (1078, 26305), (2695, 10522), (5261, 5390)]