2219140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 5898816

約数和(自身を除く): 3679676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 131, 140, 154, 220, 242, 262, 308, 385, 484, 524, 605, 655, 770, 847, 917, 1210, 1310, 1441, 1540, 1694, 1834, 2420, 2620, 2882, 3388, 3668, 4235, 4585, 5764, 7205, 8470, 9170, 10087, 14410, 15851, 16940, 18340, 20174, 28820, 31702, 40348, 50435, 63404, 79255, 100870, 110957, 158510, 201740, 221914, 317020, 443828, 554785, 1109570, 2219140]

約数ペア:

[(1, 2219140), (2, 1109570), (4, 554785), (5, 443828), (7, 317020), (10, 221914), (11, 201740), (14, 158510), (20, 110957), (22, 100870), (28, 79255), (35, 63404), (44, 50435), (55, 40348), (70, 31702), (77, 28820), (110, 20174), (121, 18340), (131, 16940), (140, 15851), (154, 14410), (220, 10087), (242, 9170), (262, 8470), (308, 7205), (385, 5764), (484, 4585), (524, 4235), (605, 3668), (655, 3388), (770, 2882), (847, 2620), (917, 2420), (1210, 1834), (1310, 1694), (1441, 1540)]