917771320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{4463}}^1$

素因数の和:4624

約数の個数: 64

約数和(自身を含む): 2126113920

約数和(自身を除く): 1208342600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 97, 106, 194, 212, 265, 388, 424, 485, 530, 776, 970, 1060, 1940, 2120, 3880, 4463, 5141, 8926, 10282, 17852, 20564, 22315, 25705, 35704, 41128, 44630, 51410, 89260, 102820, 178520, 205640, 236539, 432911, 473078, 865822, 946156, 1182695, 1731644, 1892312, 2164555, 2365390, 3463288, 4329110, 4730780, 8658220, 9461560, 17316440, 22944283, 45888566, 91777132, 114721415, 183554264, 229442830, 458885660, 917771320]

約数ペア:

[(1, 917771320), (2, 458885660), (4, 229442830), (5, 183554264), (8, 114721415), (10, 91777132), (20, 45888566), (40, 22944283), (53, 17316440), (97, 9461560), (106, 8658220), (194, 4730780), (212, 4329110), (265, 3463288), (388, 2365390), (424, 2164555), (485, 1892312), (530, 1731644), (776, 1182695), (970, 946156), (1060, 865822), (1940, 473078), (2120, 432911), (3880, 236539), (4463, 205640), (5141, 178520), (8926, 102820), (10282, 89260), (17852, 51410), (20564, 44630), (22315, 41128), (25705, 35704)]