209483428

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^4\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 90

約数和(自身を含む): 475516230

約数和(自身を除く): 266032802

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 121, 146, 154, 196, 242, 292, 308, 484, 511, 539, 803, 847, 1022, 1078, 1331, 1606, 1694, 2044, 2156, 2662, 3212, 3388, 3577, 5324, 5621, 5929, 7154, 8833, 9317, 11242, 11858, 14308, 14641, 17666, 18634, 22484, 23716, 29282, 35332, 37268, 39347, 58564, 61831, 65219, 78694, 97163, 102487, 123662, 130438, 157388, 194326, 204974, 247324, 260876, 388652, 409948, 432817, 680141, 717409, 865634, 1068793, 1360282, 1434818, 1731268, 2137586, 2720564, 2869636, 4275172, 4760987, 7481551, 9521974, 14963102, 19043948, 29926204, 52370857, 104741714, 209483428]

約数ペア:

[(1, 209483428), (2, 104741714), (4, 52370857), (7, 29926204), (11, 19043948), (14, 14963102), (22, 9521974), (28, 7481551), (44, 4760987), (49, 4275172), (73, 2869636), (77, 2720564), (98, 2137586), (121, 1731268), (146, 1434818), (154, 1360282), (196, 1068793), (242, 865634), (292, 717409), (308, 680141), (484, 432817), (511, 409948), (539, 388652), (803, 260876), (847, 247324), (1022, 204974), (1078, 194326), (1331, 157388), (1606, 130438), (1694, 123662), (2044, 102487), (2156, 97163), (2662, 78694), (3212, 65219), (3388, 61831), (3577, 58564), (5324, 39347), (5621, 37268), (5929, 35332), (7154, 29282), (8833, 23716), (9317, 22484), (11242, 18634), (11858, 17666), (14308, 14641)]