30508940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 80527776

約数和(自身を除く): 50018836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 1801, 2420, 3388, 3602, 4235, 7204, 8470, 9005, 12607, 16940, 18010, 19811, 25214, 36020, 39622, 50428, 63035, 79244, 99055, 126070, 138677, 198110, 217921, 252140, 277354, 396220, 435842, 554708, 693385, 871684, 1089605, 1386770, 1525447, 2179210, 2773540, 3050894, 4358420, 6101788, 7627235, 15254470, 30508940]

約数ペア:

[(1, 30508940), (2, 15254470), (4, 7627235), (5, 6101788), (7, 4358420), (10, 3050894), (11, 2773540), (14, 2179210), (20, 1525447), (22, 1386770), (28, 1089605), (35, 871684), (44, 693385), (55, 554708), (70, 435842), (77, 396220), (110, 277354), (121, 252140), (140, 217921), (154, 198110), (220, 138677), (242, 126070), (308, 99055), (385, 79244), (484, 63035), (605, 50428), (770, 39622), (847, 36020), (1210, 25214), (1540, 19811), (1694, 18010), (1801, 16940), (2420, 12607), (3388, 9005), (3602, 8470), (4235, 7204)]