72859490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:599

約数の個数: 64

約数和(自身を含む): 153031680

約数和(自身を除く): 80172190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 142, 190, 209, 355, 418, 491, 710, 781, 982, 1045, 1349, 1562, 2090, 2455, 2698, 3905, 4910, 5401, 6745, 7810, 9329, 10802, 13490, 14839, 18658, 27005, 29678, 34861, 46645, 54010, 69722, 74195, 93290, 102619, 148390, 174305, 205238, 348610, 383471, 513095, 662359, 766942, 1026190, 1324718, 1917355, 3311795, 3834710, 6623590, 7285949, 14571898, 36429745, 72859490]

約数ペア:

[(1, 72859490), (2, 36429745), (5, 14571898), (10, 7285949), (11, 6623590), (19, 3834710), (22, 3311795), (38, 1917355), (55, 1324718), (71, 1026190), (95, 766942), (110, 662359), (142, 513095), (190, 383471), (209, 348610), (355, 205238), (418, 174305), (491, 148390), (710, 102619), (781, 93290), (982, 74195), (1045, 69722), (1349, 54010), (1562, 46645), (2090, 34861), (2455, 29678), (2698, 27005), (3905, 18658), (4910, 14839), (5401, 13490), (6745, 10802), (7810, 9329)]