2017281680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1327159}}^1$

素因数の和:1327191

約数の個数: 40

約数和(自身を含む): 4937035200

約数和(自身を除く): 2919753520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1327159, 2654318, 5308636, 6635795, 10617272, 13271590, 21234544, 25216021, 26543180, 50432042, 53086360, 100864084, 106172720, 126080105, 201728168, 252160210, 403456336, 504320420, 1008640840, 2017281680]

約数ペア:

[(1, 2017281680), (2, 1008640840), (4, 504320420), (5, 403456336), (8, 252160210), (10, 201728168), (16, 126080105), (19, 106172720), (20, 100864084), (38, 53086360), (40, 50432042), (76, 26543180), (80, 25216021), (95, 21234544), (152, 13271590), (190, 10617272), (304, 6635795), (380, 5308636), (760, 2654318), (1520, 1327159)]