309842500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 779375520

約数和(自身を除く): 469533020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 190, 209, 220, 250, 275, 380, 418, 475, 500, 550, 593, 625, 836, 950, 1045, 1100, 1186, 1250, 1375, 1900, 2090, 2372, 2375, 2500, 2750, 2965, 4180, 4750, 5225, 5500, 5930, 6523, 6875, 9500, 10450, 11267, 11860, 11875, 13046, 13750, 14825, 20900, 22534, 23750, 26092, 26125, 27500, 29650, 32615, 45068, 47500, 52250, 56335, 59300, 65230, 74125, 104500, 112670, 123937, 130460, 130625, 148250, 163075, 225340, 247874, 261250, 281675, 296500, 326150, 370625, 495748, 522500, 563350, 619685, 652300, 741250, 815375, 1126700, 1239370, 1408375, 1482500, 1630750, 2478740, 2816750, 3098425, 3261500, 4076875, 5633500, 6196850, 7041875, 8153750, 12393700, 14083750, 15492125, 16307500, 28167500, 30984250, 61968500, 77460625, 154921250, 309842500]

約数ペア:

[(1, 309842500), (2, 154921250), (4, 77460625), (5, 61968500), (10, 30984250), (11, 28167500), (19, 16307500), (20, 15492125), (22, 14083750), (25, 12393700), (38, 8153750), (44, 7041875), (50, 6196850), (55, 5633500), (76, 4076875), (95, 3261500), (100, 3098425), (110, 2816750), (125, 2478740), (190, 1630750), (209, 1482500), (220, 1408375), (250, 1239370), (275, 1126700), (380, 815375), (418, 741250), (475, 652300), (500, 619685), (550, 563350), (593, 522500), (625, 495748), (836, 370625), (950, 326150), (1045, 296500), (1100, 281675), (1186, 261250), (1250, 247874), (1375, 225340), (1900, 163075), (2090, 148250), (2372, 130625), (2375, 130460), (2500, 123937), (2750, 112670), (2965, 104500), (4180, 74125), (4750, 65230), (5225, 59300), (5500, 56335), (5930, 52250), (6523, 47500), (6875, 45068), (9500, 32615), (10450, 29650), (11267, 27500), (11860, 26125), (11875, 26092), (13046, 23750), (13750, 22534), (14825, 20900)]