348533380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{1657}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 789672240

約数和(自身を除く): 441138860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 809, 1618, 1657, 3236, 3314, 4045, 6628, 8090, 8285, 10517, 16180, 16570, 21034, 21541, 33140, 42068, 43082, 52585, 86164, 105170, 107705, 210340, 215410, 430820, 1340513, 2681026, 5362052, 6702565, 13405130, 17426669, 26810260, 34853338, 69706676, 87133345, 174266690, 348533380]

約数ペア:

[(1, 348533380), (2, 174266690), (4, 87133345), (5, 69706676), (10, 34853338), (13, 26810260), (20, 17426669), (26, 13405130), (52, 6702565), (65, 5362052), (130, 2681026), (260, 1340513), (809, 430820), (1618, 215410), (1657, 210340), (3236, 107705), (3314, 105170), (4045, 86164), (6628, 52585), (8090, 43082), (8285, 42068), (10517, 33140), (16180, 21541), (16570, 21034)]