209990910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{5113}}^1$

素因数の和:5197

約数の個数: 48

約数和(自身を含む): 518068656

約数和(自身を除く): 308077746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 1369, 2738, 4107, 5113, 6845, 8214, 10226, 13690, 15339, 20535, 25565, 30678, 41070, 51130, 76695, 153390, 189181, 378362, 567543, 945905, 1135086, 1891810, 2837715, 5675430, 6999697, 13999394, 20999091, 34998485, 41998182, 69996970, 104995455, 209990910]

約数ペア:

[(1, 209990910), (2, 104995455), (3, 69996970), (5, 41998182), (6, 34998485), (10, 20999091), (15, 13999394), (30, 6999697), (37, 5675430), (74, 2837715), (111, 1891810), (185, 1135086), (222, 945905), (370, 567543), (555, 378362), (1110, 189181), (1369, 153390), (2738, 76695), (4107, 51130), (5113, 41070), (6845, 30678), (8214, 25565), (10226, 20535), (13690, 15339)]