2220517840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1460867}}^1$

素因数の和:1460899

約数の個数: 40

約数和(自身を含む): 5434428960

約数和(自身を除く): 3213911120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1460867, 2921734, 5843468, 7304335, 11686936, 14608670, 23373872, 27756473, 29217340, 55512946, 58434680, 111025892, 116869360, 138782365, 222051784, 277564730, 444103568, 555129460, 1110258920, 2220517840]

約数ペア:

[(1, 2220517840), (2, 1110258920), (4, 555129460), (5, 444103568), (8, 277564730), (10, 222051784), (16, 138782365), (19, 116869360), (20, 111025892), (38, 58434680), (40, 55512946), (76, 29217340), (80, 27756473), (95, 23373872), (152, 14608670), (190, 11686936), (304, 7304335), (380, 5843468), (760, 2921734), (1520, 1460867)]