525140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 1430016

約数和(自身を除く): 904876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 217, 220, 242, 308, 310, 341, 385, 434, 484, 605, 620, 682, 770, 847, 868, 1085, 1210, 1364, 1540, 1694, 1705, 2170, 2387, 2420, 3388, 3410, 3751, 4235, 4340, 4774, 6820, 7502, 8470, 9548, 11935, 15004, 16940, 18755, 23870, 26257, 37510, 47740, 52514, 75020, 105028, 131285, 262570, 525140]

約数ペア:

[(1, 525140), (2, 262570), (4, 131285), (5, 105028), (7, 75020), (10, 52514), (11, 47740), (14, 37510), (20, 26257), (22, 23870), (28, 18755), (31, 16940), (35, 15004), (44, 11935), (55, 9548), (62, 8470), (70, 7502), (77, 6820), (110, 4774), (121, 4340), (124, 4235), (140, 3751), (154, 3410), (155, 3388), (217, 2420), (220, 2387), (242, 2170), (308, 1705), (310, 1694), (341, 1540), (385, 1364), (434, 1210), (484, 1085), (605, 868), (620, 847), (682, 770)]