420502016

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 923646240

約数和(自身を除く): 503144224

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 197, 256, 352, 379, 394, 512, 704, 758, 788, 1408, 1516, 1576, 2167, 2816, 3032, 3152, 4169, 4334, 5632, 6064, 6304, 8338, 8668, 12128, 12608, 16676, 17336, 24256, 25216, 33352, 34672, 48512, 50432, 66704, 69344, 74663, 97024, 100864, 133408, 138688, 149326, 194048, 266816, 277376, 298652, 533632, 554752, 597304, 821293, 1067264, 1109504, 1194608, 1642586, 2134528, 2389216, 3285172, 4778432, 6570344, 9556864, 13140688, 19113728, 26281376, 38227456, 52562752, 105125504, 210251008, 420502016]

約数ペア:

[(1, 420502016), (2, 210251008), (4, 105125504), (8, 52562752), (11, 38227456), (16, 26281376), (22, 19113728), (32, 13140688), (44, 9556864), (64, 6570344), (88, 4778432), (128, 3285172), (176, 2389216), (197, 2134528), (256, 1642586), (352, 1194608), (379, 1109504), (394, 1067264), (512, 821293), (704, 597304), (758, 554752), (788, 533632), (1408, 298652), (1516, 277376), (1576, 266816), (2167, 194048), (2816, 149326), (3032, 138688), (3152, 133408), (4169, 100864), (4334, 97024), (5632, 74663), (6064, 69344), (6304, 66704), (8338, 50432), (8668, 48512), (12128, 34672), (12608, 33352), (16676, 25216), (17336, 24256)]