31455830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 69327360

約数和(自身を除く): 37871530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 67, 70, 95, 133, 134, 190, 266, 335, 353, 469, 665, 670, 706, 938, 1273, 1330, 1765, 2345, 2471, 2546, 3530, 4690, 4942, 6365, 6707, 8911, 12355, 12730, 13414, 17822, 23651, 24710, 33535, 44555, 46949, 47302, 67070, 89110, 93898, 118255, 165557, 234745, 236510, 331114, 449369, 469490, 827785, 898738, 1655570, 2246845, 3145583, 4493690, 6291166, 15727915, 31455830]

約数ペア:

[(1, 31455830), (2, 15727915), (5, 6291166), (7, 4493690), (10, 3145583), (14, 2246845), (19, 1655570), (35, 898738), (38, 827785), (67, 469490), (70, 449369), (95, 331114), (133, 236510), (134, 234745), (190, 165557), (266, 118255), (335, 93898), (353, 89110), (469, 67070), (665, 47302), (670, 46949), (706, 44555), (938, 33535), (1273, 24710), (1330, 23651), (1765, 17822), (2345, 13414), (2471, 12730), (2546, 12355), (3530, 8911), (4690, 6707), (4942, 6365)]