71170990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 142203600

約数和(自身を除く): 71032610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 131, 242, 262, 449, 605, 655, 898, 1210, 1310, 1441, 2245, 2882, 4490, 4939, 7205, 9878, 14410, 15851, 24695, 31702, 49390, 54329, 58819, 79255, 108658, 117638, 158510, 271645, 294095, 543290, 588190, 647009, 1294018, 3235045, 6470090, 7117099, 14234198, 35585495, 71170990]

約数ペア:

[(1, 71170990), (2, 35585495), (5, 14234198), (10, 7117099), (11, 6470090), (22, 3235045), (55, 1294018), (110, 647009), (121, 588190), (131, 543290), (242, 294095), (262, 271645), (449, 158510), (605, 117638), (655, 108658), (898, 79255), (1210, 58819), (1310, 54329), (1441, 49390), (2245, 31702), (2882, 24695), (4490, 15851), (4939, 14410), (7205, 9878)]