557840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 1368960

約数和(自身を除く): 811120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 367, 380, 734, 760, 1468, 1520, 1835, 2936, 3670, 5872, 6973, 7340, 13946, 14680, 27892, 29360, 34865, 55784, 69730, 111568, 139460, 278920, 557840]

約数ペア:

[(1, 557840), (2, 278920), (4, 139460), (5, 111568), (8, 69730), (10, 55784), (16, 34865), (19, 29360), (20, 27892), (38, 14680), (40, 13946), (76, 7340), (80, 6973), (95, 5872), (152, 3670), (190, 2936), (304, 1835), (367, 1520), (380, 1468), (734, 760)]