123509420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 287400960

約数和(自身を除く): 163891540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 59, 68, 85, 94, 118, 131, 170, 188, 235, 236, 262, 295, 340, 470, 524, 590, 655, 799, 940, 1003, 1180, 1310, 1598, 2006, 2227, 2620, 2773, 3196, 3995, 4012, 4454, 5015, 5546, 6157, 7729, 7990, 8908, 10030, 11092, 11135, 12314, 13865, 15458, 15980, 20060, 22270, 24628, 27730, 30785, 30916, 38645, 44540, 47141, 55460, 61570, 77290, 94282, 104669, 123140, 131393, 154580, 188564, 209338, 235705, 262786, 363263, 418676, 471410, 523345, 525572, 656965, 726526, 942820, 1046690, 1313930, 1453052, 1816315, 2093380, 2627860, 3632630, 6175471, 7265260, 12350942, 24701884, 30877355, 61754710, 123509420]

約数ペア:

[(1, 123509420), (2, 61754710), (4, 30877355), (5, 24701884), (10, 12350942), (17, 7265260), (20, 6175471), (34, 3632630), (47, 2627860), (59, 2093380), (68, 1816315), (85, 1453052), (94, 1313930), (118, 1046690), (131, 942820), (170, 726526), (188, 656965), (235, 525572), (236, 523345), (262, 471410), (295, 418676), (340, 363263), (470, 262786), (524, 235705), (590, 209338), (655, 188564), (799, 154580), (940, 131393), (1003, 123140), (1180, 104669), (1310, 94282), (1598, 77290), (2006, 61570), (2227, 55460), (2620, 47141), (2773, 44540), (3196, 38645), (3995, 30916), (4012, 30785), (4454, 27730), (5015, 24628), (5546, 22270), (6157, 20060), (7729, 15980), (7990, 15458), (8908, 13865), (10030, 12314), (11092, 11135)]