157445552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 353548800

約数和(自身を除く): 196103248

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 197, 209, 239, 304, 394, 418, 478, 788, 836, 956, 1576, 1672, 1912, 2167, 2629, 3152, 3344, 3743, 3824, 4334, 4541, 5258, 7486, 8668, 9082, 10516, 14972, 17336, 18164, 21032, 29944, 34672, 36328, 41173, 42064, 47083, 49951, 59888, 72656, 82346, 94166, 99902, 164692, 188332, 199804, 329384, 376664, 399608, 517913, 658768, 753328, 799216, 894577, 1035826, 1789154, 2071652, 3578308, 4143304, 7156616, 8286608, 9840347, 14313232, 19680694, 39361388, 78722776, 157445552]

約数ペア:

[(1, 157445552), (2, 78722776), (4, 39361388), (8, 19680694), (11, 14313232), (16, 9840347), (19, 8286608), (22, 7156616), (38, 4143304), (44, 3578308), (76, 2071652), (88, 1789154), (152, 1035826), (176, 894577), (197, 799216), (209, 753328), (239, 658768), (304, 517913), (394, 399608), (418, 376664), (478, 329384), (788, 199804), (836, 188332), (956, 164692), (1576, 99902), (1672, 94166), (1912, 82346), (2167, 72656), (2629, 59888), (3152, 49951), (3344, 47083), (3743, 42064), (3824, 41173), (4334, 36328), (4541, 34672), (5258, 29944), (7486, 21032), (8668, 18164), (9082, 17336), (10516, 14972)]