128686670420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11937539}}^1$

素因数の和:11937573

約数の個数: 72

約数和(自身を含む): 342941649120

約数和(自身を除く): 214254978700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 11937539, 23875078, 47750156, 59687695, 83562773, 119375390, 131312929, 167125546, 238750780, 262625858, 334251092, 417813865, 525251716, 584939411, 656564645, 835627730, 919190503, 1169878822, 1313129290, 1671255460, 1838381006, 2339757644, 2626258580, 2924697055, 3676762012, 4595952515, 5849394110, 6434333521, 9191905030, 11698788220, 12868667042, 18383810060, 25737334084, 32171667605, 64343335210, 128686670420]

約数ペア:

[(1, 128686670420), (2, 64343335210), (4, 32171667605), (5, 25737334084), (7, 18383810060), (10, 12868667042), (11, 11698788220), (14, 9191905030), (20, 6434333521), (22, 5849394110), (28, 4595952515), (35, 3676762012), (44, 2924697055), (49, 2626258580), (55, 2339757644), (70, 1838381006), (77, 1671255460), (98, 1313129290), (110, 1169878822), (140, 919190503), (154, 835627730), (196, 656564645), (220, 584939411), (245, 525251716), (308, 417813865), (385, 334251092), (490, 262625858), (539, 238750780), (770, 167125546), (980, 131312929), (1078, 119375390), (1540, 83562773), (2156, 59687695), (2695, 47750156), (5390, 23875078), (10780, 11937539)]