188971520

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:881

約数の個数: 80

約数和(自身を含む): 458361288

約数和(自身を除く): 269389768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 512, 640, 761, 776, 970, 1280, 1522, 1552, 1940, 2560, 3044, 3104, 3805, 3880, 6088, 6208, 7610, 7760, 12176, 12416, 15220, 15520, 24352, 24832, 30440, 31040, 48704, 49664, 60880, 62080, 73817, 97408, 121760, 124160, 147634, 194816, 243520, 248320, 295268, 369085, 389632, 487040, 590536, 738170, 974080, 1181072, 1476340, 1948160, 2362144, 2952680, 4724288, 5905360, 9448576, 11810720, 18897152, 23621440, 37794304, 47242880, 94485760, 188971520]

約数ペア:

[(1, 188971520), (2, 94485760), (4, 47242880), (5, 37794304), (8, 23621440), (10, 18897152), (16, 11810720), (20, 9448576), (32, 5905360), (40, 4724288), (64, 2952680), (80, 2362144), (97, 1948160), (128, 1476340), (160, 1181072), (194, 974080), (256, 738170), (320, 590536), (388, 487040), (485, 389632), (512, 369085), (640, 295268), (761, 248320), (776, 243520), (970, 194816), (1280, 147634), (1522, 124160), (1552, 121760), (1940, 97408), (2560, 73817), (3044, 62080), (3104, 60880), (3805, 49664), (3880, 48704), (6088, 31040), (6208, 30440), (7610, 24832), (7760, 24352), (12176, 15520), (12416, 15220)]