42145880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21503}}^1$

素因数の和:21528

約数の個数: 48

約数和(自身を含む): 110315520

約数和(自身を除く): 68169640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21503, 43006, 86012, 107515, 150521, 172024, 215030, 301042, 430060, 602084, 752605, 860120, 1053647, 1204168, 1505210, 2107294, 3010420, 4214588, 5268235, 6020840, 8429176, 10536470, 21072940, 42145880]

約数ペア:

[(1, 42145880), (2, 21072940), (4, 10536470), (5, 8429176), (7, 6020840), (8, 5268235), (10, 4214588), (14, 3010420), (20, 2107294), (28, 1505210), (35, 1204168), (40, 1053647), (49, 860120), (56, 752605), (70, 602084), (98, 430060), (140, 301042), (196, 215030), (245, 172024), (280, 150521), (392, 107515), (490, 86012), (980, 43006), (1960, 21503)]