50763820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 115214400

約数和(自身を除く): 64450580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 89, 95, 158, 178, 190, 316, 356, 361, 380, 395, 445, 722, 790, 890, 1444, 1501, 1580, 1691, 1780, 1805, 3002, 3382, 3610, 6004, 6764, 7031, 7220, 7505, 8455, 14062, 15010, 16910, 28124, 28519, 30020, 32129, 33820, 35155, 57038, 64258, 70310, 114076, 128516, 133589, 140620, 142595, 160645, 267178, 285190, 321290, 534356, 570380, 642580, 667945, 1335890, 2538191, 2671780, 5076382, 10152764, 12690955, 25381910, 50763820]

約数ペア:

[(1, 50763820), (2, 25381910), (4, 12690955), (5, 10152764), (10, 5076382), (19, 2671780), (20, 2538191), (38, 1335890), (76, 667945), (79, 642580), (89, 570380), (95, 534356), (158, 321290), (178, 285190), (190, 267178), (316, 160645), (356, 142595), (361, 140620), (380, 133589), (395, 128516), (445, 114076), (722, 70310), (790, 64258), (890, 57038), (1444, 35155), (1501, 33820), (1580, 32129), (1691, 30020), (1780, 28519), (1805, 28124), (3002, 16910), (3382, 15010), (3610, 14062), (6004, 8455), (6764, 7505), (7031, 7220)]