481780

素因数分解:

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

素因数の和:148

約数の個数: 48

約数和(自身を含む): 1164240

約数和(自身を除く): 682460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 109, 130, 170, 218, 221, 260, 340, 436, 442, 545, 884, 1090, 1105, 1417, 1853, 2180, 2210, 2834, 3706, 4420, 5668, 7085, 7412, 9265, 14170, 18530, 24089, 28340, 37060, 48178, 96356, 120445, 240890, 481780]

約数ペア:

[(1, 481780), (2, 240890), (4, 120445), (5, 96356), (10, 48178), (13, 37060), (17, 28340), (20, 24089), (26, 18530), (34, 14170), (52, 9265), (65, 7412), (68, 7085), (85, 5668), (109, 4420), (130, 3706), (170, 2834), (218, 2210), (221, 2180), (260, 1853), (340, 1417), (436, 1105), (442, 1090), (545, 884)]