231519940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{35839}}^1$

素因数の和:35884

約数の個数: 48

約数和(自身を含む): 541900800

約数和(自身を除く): 310380860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 35839, 71678, 143356, 179195, 358390, 609263, 680941, 716780, 1218526, 1361882, 2437052, 2723764, 3046315, 3404705, 6092630, 6809410, 11575997, 12185260, 13618820, 23151994, 46303988, 57879985, 115759970, 231519940]

約数ペア:

[(1, 231519940), (2, 115759970), (4, 57879985), (5, 46303988), (10, 23151994), (17, 13618820), (19, 12185260), (20, 11575997), (34, 6809410), (38, 6092630), (68, 3404705), (76, 3046315), (85, 2723764), (95, 2437052), (170, 1361882), (190, 1218526), (323, 716780), (340, 680941), (380, 609263), (646, 358390), (1292, 179195), (1615, 143356), (3230, 71678), (6460, 35839)]