56308780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{709}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 136337040

約数和(自身を除く): 80028260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 709, 722, 836, 1045, 1418, 1444, 1805, 2090, 2836, 3545, 3610, 3971, 4180, 7090, 7220, 7799, 7942, 13471, 14180, 15598, 15884, 19855, 26942, 31196, 38995, 39710, 53884, 67355, 77990, 79420, 134710, 148181, 155980, 255949, 269420, 296362, 511898, 592724, 740905, 1023796, 1279745, 1481810, 2559490, 2815439, 2963620, 5118980, 5630878, 11261756, 14077195, 28154390, 56308780]

約数ペア:

[(1, 56308780), (2, 28154390), (4, 14077195), (5, 11261756), (10, 5630878), (11, 5118980), (19, 2963620), (20, 2815439), (22, 2559490), (38, 1481810), (44, 1279745), (55, 1023796), (76, 740905), (95, 592724), (110, 511898), (190, 296362), (209, 269420), (220, 255949), (361, 155980), (380, 148181), (418, 134710), (709, 79420), (722, 77990), (836, 67355), (1045, 53884), (1418, 39710), (1444, 38995), (1805, 31196), (2090, 26942), (2836, 19855), (3545, 15884), (3610, 15598), (3971, 14180), (4180, 13471), (7090, 7942), (7220, 7799)]