12739700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 29998080

約数和(自身を除く): 17258380

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 92, 100, 115, 116, 145, 191, 230, 290, 382, 460, 575, 580, 667, 725, 764, 955, 1150, 1334, 1450, 1910, 2300, 2668, 2900, 3335, 3820, 4393, 4775, 5539, 6670, 8786, 9550, 11078, 13340, 16675, 17572, 19100, 21965, 22156, 27695, 33350, 43930, 55390, 66700, 87860, 109825, 110780, 127397, 138475, 219650, 254794, 276950, 439300, 509588, 553900, 636985, 1273970, 2547940, 3184925, 6369850, 12739700]

約数ペア:

[(1, 12739700), (2, 6369850), (4, 3184925), (5, 2547940), (10, 1273970), (20, 636985), (23, 553900), (25, 509588), (29, 439300), (46, 276950), (50, 254794), (58, 219650), (92, 138475), (100, 127397), (115, 110780), (116, 109825), (145, 87860), (191, 66700), (230, 55390), (290, 43930), (382, 33350), (460, 27695), (575, 22156), (580, 21965), (667, 19100), (725, 17572), (764, 16675), (955, 13340), (1150, 11078), (1334, 9550), (1450, 8786), (1910, 6670), (2300, 5539), (2668, 4775), (2900, 4393), (3335, 3820)]