209301785

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 327499200

約数和(自身を除く): 118197415

約数列:

[1, 5, 7, 11, 35, 37, 49, 55, 77, 185, 245, 259, 385, 407, 539, 1295, 1813, 2035, 2099, 2695, 2849, 9065, 10495, 14245, 14693, 19943, 23089, 73465, 77663, 99715, 102851, 115445, 161623, 388315, 514255, 543641, 808115, 854293, 1131361, 2718205, 3805487, 4271465, 5656805, 5980051, 19027435, 29900255, 41860357, 209301785]

約数ペア:

[(1, 209301785), (5, 41860357), (7, 29900255), (11, 19027435), (35, 5980051), (37, 5656805), (49, 4271465), (55, 3805487), (77, 2718205), (185, 1131361), (245, 854293), (259, 808115), (385, 543641), (407, 514255), (539, 388315), (1295, 161623), (1813, 115445), (2035, 102851), (2099, 99715), (2695, 77663), (2849, 73465), (9065, 23089), (10495, 19943), (14245, 14693)]