188971720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35521}}^1$

素因数の和:35558

約数の個数: 64

約数和(自身を含む): 511516800

約数和(自身を除く): 322545080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 35521, 71042, 142084, 177605, 248647, 284168, 355210, 497294, 674899, 710420, 994588, 1243235, 1349798, 1420840, 1989176, 2486470, 2699596, 3374495, 4724293, 4972940, 5399192, 6748990, 9448586, 9945880, 13497980, 18897172, 23621465, 26995960, 37794344, 47242930, 94485860, 188971720]

約数ペア:

[(1, 188971720), (2, 94485860), (4, 47242930), (5, 37794344), (7, 26995960), (8, 23621465), (10, 18897172), (14, 13497980), (19, 9945880), (20, 9448586), (28, 6748990), (35, 5399192), (38, 4972940), (40, 4724293), (56, 3374495), (70, 2699596), (76, 2486470), (95, 1989176), (133, 1420840), (140, 1349798), (152, 1243235), (190, 994588), (266, 710420), (280, 674899), (380, 497294), (532, 355210), (665, 284168), (760, 248647), (1064, 177605), (1330, 142084), (2660, 71042), (5320, 35521)]