206879140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15013}}^1$

素因数の和:15088

約数の個数: 48

約数和(自身を含む): 476724528

約数和(自身を除く): 269845388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 15013, 30026, 60052, 75065, 150130, 195169, 300260, 390338, 780676, 795689, 975845, 1591378, 1951690, 3182756, 3903380, 3978445, 7956890, 10343957, 15913780, 20687914, 41375828, 51719785, 103439570, 206879140]

約数ペア:

[(1, 206879140), (2, 103439570), (4, 51719785), (5, 41375828), (10, 20687914), (13, 15913780), (20, 10343957), (26, 7956890), (52, 3978445), (53, 3903380), (65, 3182756), (106, 1951690), (130, 1591378), (212, 975845), (260, 795689), (265, 780676), (530, 390338), (689, 300260), (1060, 195169), (1378, 150130), (2756, 75065), (3445, 60052), (6890, 30026), (13780, 15013)]