72311210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1066

約数の個数: 32

約数和(自身を含む): 135205200

約数和(自身を除く): 62893990

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 389, 641, 778, 1282, 1945, 3205, 3890, 6410, 11281, 18589, 22562, 37178, 56405, 92945, 112810, 185890, 249349, 498698, 1246745, 2493490, 7231121, 14462242, 36155605, 72311210]

約数ペア:

[(1, 72311210), (2, 36155605), (5, 14462242), (10, 7231121), (29, 2493490), (58, 1246745), (145, 498698), (290, 249349), (389, 185890), (641, 112810), (778, 92945), (1282, 56405), (1945, 37178), (3205, 22562), (3890, 18589), (6410, 11281)]