71571100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 165267200

約数和(自身を除く): 93696100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 271, 278, 380, 475, 542, 556, 695, 950, 1084, 1355, 1390, 1900, 2641, 2710, 2780, 3475, 5149, 5282, 5420, 6775, 6950, 10298, 10564, 13205, 13550, 13900, 20596, 25745, 26410, 27100, 37669, 51490, 52820, 66025, 75338, 102980, 128725, 132050, 150676, 188345, 257450, 264100, 376690, 514900, 715711, 753380, 941725, 1431422, 1883450, 2862844, 3578555, 3766900, 7157110, 14314220, 17892775, 35785550, 71571100]

約数ペア:

[(1, 71571100), (2, 35785550), (4, 17892775), (5, 14314220), (10, 7157110), (19, 3766900), (20, 3578555), (25, 2862844), (38, 1883450), (50, 1431422), (76, 941725), (95, 753380), (100, 715711), (139, 514900), (190, 376690), (271, 264100), (278, 257450), (380, 188345), (475, 150676), (542, 132050), (556, 128725), (695, 102980), (950, 75338), (1084, 66025), (1355, 52820), (1390, 51490), (1900, 37669), (2641, 27100), (2710, 26410), (2780, 25745), (3475, 20596), (5149, 13900), (5282, 13550), (5420, 13205), (6775, 10564), (6950, 10298)]