508740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 1458240

約数和(自身を除く): 949500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 139, 183, 244, 278, 305, 366, 417, 556, 610, 695, 732, 834, 915, 1220, 1390, 1668, 1830, 2085, 2780, 3660, 4170, 8340, 8479, 16958, 25437, 33916, 42395, 50874, 84790, 101748, 127185, 169580, 254370, 508740]

約数ペア:

[(1, 508740), (2, 254370), (3, 169580), (4, 127185), (5, 101748), (6, 84790), (10, 50874), (12, 42395), (15, 33916), (20, 25437), (30, 16958), (60, 8479), (61, 8340), (122, 4170), (139, 3660), (183, 2780), (244, 2085), (278, 1830), (305, 1668), (366, 1390), (417, 1220), (556, 915), (610, 834), (695, 732)]