199471360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 539223552

約数和(自身を除く): 339752192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 457, 496, 620, 640, 682, 704, 880, 914, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1828, 1984, 2285, 2480, 2728, 2816, 3410, 3520, 3656, 3968, 4570, 4960, 5027, 5456, 6820, 7040, 7312, 7936, 9140, 9920, 10054, 10912, 13640, 14080, 14167, 14624, 18280, 19840, 20108, 21824, 25135, 27280, 28334, 29248, 36560, 39680, 40216, 43648, 50270, 54560, 56668, 58496, 70835, 73120, 80432, 87296, 100540, 109120, 113336, 116992, 141670, 146240, 155837, 160864, 201080, 218240, 226672, 283340, 292480, 311674, 321728, 402160, 436480, 453344, 566680, 584960, 623348, 643456, 779185, 804320, 906688, 1133360, 1246696, 1286912, 1558370, 1608640, 1813376, 2266720, 2493392, 3116740, 3217280, 3626752, 4533440, 4986784, 6233480, 6434560, 9066880, 9973568, 12466960, 18133760, 19947136, 24933920, 39894272, 49867840, 99735680, 199471360]

約数ペア:

[(1, 199471360), (2, 99735680), (4, 49867840), (5, 39894272), (8, 24933920), (10, 19947136), (11, 18133760), (16, 12466960), (20, 9973568), (22, 9066880), (31, 6434560), (32, 6233480), (40, 4986784), (44, 4533440), (55, 3626752), (62, 3217280), (64, 3116740), (80, 2493392), (88, 2266720), (110, 1813376), (124, 1608640), (128, 1558370), (155, 1286912), (160, 1246696), (176, 1133360), (220, 906688), (248, 804320), (256, 779185), (310, 643456), (320, 623348), (341, 584960), (352, 566680), (440, 453344), (457, 436480), (496, 402160), (620, 321728), (640, 311674), (682, 292480), (704, 283340), (880, 226672), (914, 218240), (992, 201080), (1240, 160864), (1280, 155837), (1364, 146240), (1408, 141670), (1705, 116992), (1760, 113336), (1828, 109120), (1984, 100540), (2285, 87296), (2480, 80432), (2728, 73120), (2816, 70835), (3410, 58496), (3520, 56668), (3656, 54560), (3968, 50270), (4570, 43648), (4960, 40216), (5027, 39680), (5456, 36560), (6820, 29248), (7040, 28334), (7312, 27280), (7936, 25135), (9140, 21824), (9920, 20108), (10054, 19840), (10912, 18280), (13640, 14624), (14080, 14167)]