638670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 1562400

約数和(自身を除く): 923730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 349, 366, 610, 698, 915, 1047, 1745, 1830, 2094, 3490, 5235, 10470, 21289, 42578, 63867, 106445, 127734, 212890, 319335, 638670]

約数ペア:

[(1, 638670), (2, 319335), (3, 212890), (5, 127734), (6, 106445), (10, 63867), (15, 42578), (30, 21289), (61, 10470), (122, 5235), (183, 3490), (305, 2094), (349, 1830), (366, 1745), (610, 1047), (698, 915)]