490235680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{278543}}^1$

素因数の和:278569

約数の個数: 48

約数和(自身を含む): 1263475584

約数和(自身を除く): 773239904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 278543, 557086, 1114172, 1392715, 2228344, 2785430, 3063973, 4456688, 5570860, 6127946, 8913376, 11141720, 12255892, 15319865, 22283440, 24511784, 30639730, 44566880, 49023568, 61279460, 98047136, 122558920, 245117840, 490235680]

約数ペア:

[(1, 490235680), (2, 245117840), (4, 122558920), (5, 98047136), (8, 61279460), (10, 49023568), (11, 44566880), (16, 30639730), (20, 24511784), (22, 22283440), (32, 15319865), (40, 12255892), (44, 11141720), (55, 8913376), (80, 6127946), (88, 5570860), (110, 4456688), (160, 3063973), (176, 2785430), (220, 2228344), (352, 1392715), (440, 1114172), (880, 557086), (1760, 278543)]