393348640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2753}}^1$

素因数の和:2834

約数の個数: 96

約数和(自身を含む): 999371520

約数和(自身を除く): 606022880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 376, 380, 470, 608, 752, 760, 893, 940, 1504, 1520, 1786, 1880, 2753, 3040, 3572, 3760, 4465, 5506, 7144, 7520, 8930, 11012, 13765, 14288, 17860, 22024, 27530, 28576, 35720, 44048, 52307, 55060, 71440, 88096, 104614, 110120, 129391, 142880, 209228, 220240, 258782, 261535, 418456, 440480, 517564, 523070, 646955, 836912, 1035128, 1046140, 1293910, 1673824, 2070256, 2092280, 2458429, 2587820, 4140512, 4184560, 4916858, 5175640, 8369120, 9833716, 10351280, 12292145, 19667432, 20702560, 24584290, 39334864, 49168580, 78669728, 98337160, 196674320, 393348640]

約数ペア:

[(1, 393348640), (2, 196674320), (4, 98337160), (5, 78669728), (8, 49168580), (10, 39334864), (16, 24584290), (19, 20702560), (20, 19667432), (32, 12292145), (38, 10351280), (40, 9833716), (47, 8369120), (76, 5175640), (80, 4916858), (94, 4184560), (95, 4140512), (152, 2587820), (160, 2458429), (188, 2092280), (190, 2070256), (235, 1673824), (304, 1293910), (376, 1046140), (380, 1035128), (470, 836912), (608, 646955), (752, 523070), (760, 517564), (893, 440480), (940, 418456), (1504, 261535), (1520, 258782), (1786, 220240), (1880, 209228), (2753, 142880), (3040, 129391), (3572, 110120), (3760, 104614), (4465, 88096), (5506, 71440), (7144, 55060), (7520, 52307), (8930, 44048), (11012, 35720), (13765, 28576), (14288, 27530), (17860, 22024)]