211837840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139367}}^1$

素因数の和:139399

約数の個数: 40

約数和(自身を含む): 518448960

約数和(自身を除く): 306611120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 139367, 278734, 557468, 696835, 1114936, 1393670, 2229872, 2647973, 2787340, 5295946, 5574680, 10591892, 11149360, 13239865, 21183784, 26479730, 42367568, 52959460, 105918920, 211837840]

約数ペア:

[(1, 211837840), (2, 105918920), (4, 52959460), (5, 42367568), (8, 26479730), (10, 21183784), (16, 13239865), (19, 11149360), (20, 10591892), (38, 5574680), (40, 5295946), (76, 2787340), (80, 2647973), (95, 2229872), (152, 1393670), (190, 1114936), (304, 696835), (380, 557468), (760, 278734), (1520, 139367)]