72123100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 108

約数和(自身を含む): 187019280

約数和(自身を除く): 114896180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 350, 359, 410, 490, 574, 700, 718, 820, 980, 1025, 1148, 1225, 1435, 1436, 1795, 2009, 2050, 2450, 2513, 2870, 3590, 4018, 4100, 4900, 5026, 5740, 7175, 7180, 8036, 8975, 10045, 10052, 12565, 14350, 14719, 17591, 17950, 20090, 25130, 28700, 29438, 35182, 35900, 40180, 50225, 50260, 58876, 62825, 70364, 73595, 87955, 100450, 103033, 125650, 147190, 175910, 200900, 206066, 251300, 294380, 351820, 367975, 412132, 439775, 515165, 721231, 735950, 879550, 1030330, 1442462, 1471900, 1759100, 2060660, 2575825, 2884924, 3606155, 5151650, 7212310, 10303300, 14424620, 18030775, 36061550, 72123100]

約数ペア:

[(1, 72123100), (2, 36061550), (4, 18030775), (5, 14424620), (7, 10303300), (10, 7212310), (14, 5151650), (20, 3606155), (25, 2884924), (28, 2575825), (35, 2060660), (41, 1759100), (49, 1471900), (50, 1442462), (70, 1030330), (82, 879550), (98, 735950), (100, 721231), (140, 515165), (164, 439775), (175, 412132), (196, 367975), (205, 351820), (245, 294380), (287, 251300), (350, 206066), (359, 200900), (410, 175910), (490, 147190), (574, 125650), (700, 103033), (718, 100450), (820, 87955), (980, 73595), (1025, 70364), (1148, 62825), (1225, 58876), (1435, 50260), (1436, 50225), (1795, 40180), (2009, 35900), (2050, 35182), (2450, 29438), (2513, 28700), (2870, 25130), (3590, 20090), (4018, 17950), (4100, 17591), (4900, 14719), (5026, 14350), (5740, 12565), (7175, 10052), (7180, 10045), (8036, 8975)]