240890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 498960

約数和(自身を除く): 258070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 109, 130, 170, 218, 221, 442, 545, 1090, 1105, 1417, 1853, 2210, 2834, 3706, 7085, 9265, 14170, 18530, 24089, 48178, 120445, 240890]

約数ペア:

[(1, 240890), (2, 120445), (5, 48178), (10, 24089), (13, 18530), (17, 14170), (26, 9265), (34, 7085), (65, 3706), (85, 2834), (109, 2210), (130, 1853), (170, 1417), (218, 1105), (221, 1090), (442, 545)]