395023020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{940531}}^1$

素因数の和:940550

約数の個数: 48

約数和(自身を含む): 1264075008

約数和(自身を除く): 869051988

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, 940531, 1881062, 2821593, 3762124, 4702655, 5643186, 6583717, 9405310, 11286372, 13167434, 14107965, 18810620, 19751151, 26334868, 28215930, 32918585, 39502302, 56431860, 65837170, 79004604, 98755755, 131674340, 197511510, 395023020]

約数ペア:

[(1, 395023020), (2, 197511510), (3, 131674340), (4, 98755755), (5, 79004604), (6, 65837170), (7, 56431860), (10, 39502302), (12, 32918585), (14, 28215930), (15, 26334868), (20, 19751151), (21, 18810620), (28, 14107965), (30, 13167434), (35, 11286372), (42, 9405310), (60, 6583717), (70, 5643186), (84, 4702655), (105, 3762124), (140, 2821593), (210, 1881062), (420, 940531)]