397897681020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{947375431}}^1$

素因数の和:947375450

約数の個数: 48

約数和(自身を含む): 1273272580608

約数和(自身を除く): 875374899588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 947375431, 1894750862, 2842126293, 3789501724, 4736877155, 5684252586, 6631628017, 9473754310, 11368505172, 13263256034, 14210631465, 18947508620, 19894884051, 26526512068, 28421262930, 33158140085, 39789768102, 56842525860, 66316280170, 79579536204, 99474420255, 132632560340, 198948840510, 397897681020]

約数ペア:

[(1, 397897681020), (2, 198948840510), (3, 132632560340), (4, 99474420255), (5, 79579536204), (6, 66316280170), (7, 56842525860), (10, 39789768102), (12, 33158140085), (14, 28421262930), (15, 26526512068), (20, 19894884051), (21, 18947508620), (28, 14210631465), (30, 13263256034), (35, 11368505172), (42, 9473754310), (60, 6631628017), (70, 5684252586), (84, 4736877155), (105, 3789501724), (140, 2842126293), (210, 1894750862), (420, 947375431)]