280040922

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{740849}}^1$

素因数の和:740867

約数の個数: 32

約数和(自身を含む): 711216000

約数和(自身を除く): 431175078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 740849, 1481698, 2222547, 4445094, 5185943, 6667641, 10371886, 13335282, 15557829, 20002923, 31115658, 40005846, 46673487, 93346974, 140020461, 280040922]

約数ペア:

[(1, 280040922), (2, 140020461), (3, 93346974), (6, 46673487), (7, 40005846), (9, 31115658), (14, 20002923), (18, 15557829), (21, 13335282), (27, 10371886), (42, 6667641), (54, 5185943), (63, 4445094), (126, 2222547), (189, 1481698), (378, 740849)]