248077720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563813}}^1$

素因数の和:563835

約数の個数: 32

約数和(自身を含む): 608919120

約数和(自身を除く): 360841400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563813, 1127626, 2255252, 2819065, 4510504, 5638130, 6201943, 11276260, 12403886, 22552520, 24807772, 31009715, 49615544, 62019430, 124038860, 248077720]

約数ペア:

[(1, 248077720), (2, 124038860), (4, 62019430), (5, 49615544), (8, 31009715), (10, 24807772), (11, 22552520), (20, 12403886), (22, 11276260), (40, 6201943), (44, 5638130), (55, 4510504), (88, 2819065), (110, 2255252), (220, 1127626), (440, 563813)]