208930240

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 516160512

約数和(自身を除く): 307230272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 97, 106, 127, 160, 194, 212, 254, 265, 320, 388, 424, 485, 508, 530, 635, 776, 848, 970, 1016, 1060, 1270, 1552, 1696, 1940, 2032, 2120, 2540, 3104, 3392, 3880, 4064, 4240, 5080, 5141, 6208, 6731, 7760, 8128, 8480, 10160, 10282, 12319, 13462, 15520, 16960, 20320, 20564, 24638, 25705, 26924, 31040, 33655, 40640, 41128, 49276, 51410, 53848, 61595, 67310, 82256, 98552, 102820, 107696, 123190, 134620, 164512, 197104, 205640, 215392, 246380, 269240, 329024, 394208, 411280, 430784, 492760, 538480, 652907, 788416, 822560, 985520, 1076960, 1305814, 1645120, 1971040, 2153920, 2611628, 3264535, 3942080, 5223256, 6529070, 10446512, 13058140, 20893024, 26116280, 41786048, 52232560, 104465120, 208930240]

約数ペア:

[(1, 208930240), (2, 104465120), (4, 52232560), (5, 41786048), (8, 26116280), (10, 20893024), (16, 13058140), (20, 10446512), (32, 6529070), (40, 5223256), (53, 3942080), (64, 3264535), (80, 2611628), (97, 2153920), (106, 1971040), (127, 1645120), (160, 1305814), (194, 1076960), (212, 985520), (254, 822560), (265, 788416), (320, 652907), (388, 538480), (424, 492760), (485, 430784), (508, 411280), (530, 394208), (635, 329024), (776, 269240), (848, 246380), (970, 215392), (1016, 205640), (1060, 197104), (1270, 164512), (1552, 134620), (1696, 123190), (1940, 107696), (2032, 102820), (2120, 98552), (2540, 82256), (3104, 67310), (3392, 61595), (3880, 53848), (4064, 51410), (4240, 49276), (5080, 41128), (5141, 40640), (6208, 33655), (6731, 31040), (7760, 26924), (8128, 25705), (8480, 24638), (10160, 20564), (10282, 20320), (12319, 16960), (13462, 15520)]