78857237140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1399}}^1\times {\mathrm{1481}}^1$

素因数の和:3073

約数の個数: 96

約数和(自身を含む): 181951660800

約数和(自身を除く): 103094423660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1399, 1481, 1730, 1903, 2798, 2962, 3460, 3806, 5596, 5924, 6995, 7405, 7612, 9515, 13990, 14810, 15389, 16291, 19030, 27980, 29620, 30778, 32582, 38060, 61556, 65164, 76945, 81455, 153890, 162910, 242027, 256213, 307780, 325820, 484054, 512426, 968108, 1024852, 1210135, 1281065, 2071919, 2420270, 2562130, 2662297, 2818343, 4143838, 4840540, 5124260, 5324594, 5636686, 8287676, 10359595, 10649188, 11273372, 13311485, 14091715, 20719190, 22791109, 26622970, 28183430, 41438380, 45582218, 53245940, 56366860, 91164436, 113955545, 227911090, 358441987, 455822180, 716883974, 1433767948, 1792209935, 3584419870, 3942861857, 7168839740, 7885723714, 15771447428, 19714309285, 39428618570, 78857237140]

約数ペア:

[(1, 78857237140), (2, 39428618570), (4, 19714309285), (5, 15771447428), (10, 7885723714), (11, 7168839740), (20, 3942861857), (22, 3584419870), (44, 1792209935), (55, 1433767948), (110, 716883974), (173, 455822180), (220, 358441987), (346, 227911090), (692, 113955545), (865, 91164436), (1399, 56366860), (1481, 53245940), (1730, 45582218), (1903, 41438380), (2798, 28183430), (2962, 26622970), (3460, 22791109), (3806, 20719190), (5596, 14091715), (5924, 13311485), (6995, 11273372), (7405, 10649188), (7612, 10359595), (9515, 8287676), (13990, 5636686), (14810, 5324594), (15389, 5124260), (16291, 4840540), (19030, 4143838), (27980, 2818343), (29620, 2662297), (30778, 2562130), (32582, 2420270), (38060, 2071919), (61556, 1281065), (65164, 1210135), (76945, 1024852), (81455, 968108), (153890, 512426), (162910, 484054), (242027, 325820), (256213, 307780)]