2805340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 6435072

約数和(自身を除く): 3629732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 223, 340, 370, 446, 629, 740, 892, 1115, 1258, 2230, 2516, 3145, 3791, 4460, 6290, 7582, 8251, 12580, 15164, 16502, 18955, 33004, 37910, 41255, 75820, 82510, 140267, 165020, 280534, 561068, 701335, 1402670, 2805340]

約数ペア:

[(1, 2805340), (2, 1402670), (4, 701335), (5, 561068), (10, 280534), (17, 165020), (20, 140267), (34, 82510), (37, 75820), (68, 41255), (74, 37910), (85, 33004), (148, 18955), (170, 16502), (185, 15164), (223, 12580), (340, 8251), (370, 7582), (446, 6290), (629, 4460), (740, 3791), (892, 3145), (1115, 2516), (1258, 2230)]