398682060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{949243}}^1$

素因数の和:949262

約数の個数: 48

約数和(自身を含む): 1275783936

約数和(自身を除く): 877101876

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, 949243, 1898486, 2847729, 3796972, 4746215, 5695458, 6644701, 9492430, 11390916, 13289402, 14238645, 18984860, 19934103, 26578804, 28477290, 33223505, 39868206, 56954580, 66447010, 79736412, 99670515, 132894020, 199341030, 398682060]

約数ペア:

[(1, 398682060), (2, 199341030), (3, 132894020), (4, 99670515), (5, 79736412), (6, 66447010), (7, 56954580), (10, 39868206), (12, 33223505), (14, 28477290), (15, 26578804), (20, 19934103), (21, 18984860), (28, 14238645), (30, 13289402), (35, 11390916), (42, 9492430), (60, 6644701), (70, 5695458), (84, 4746215), (105, 3796972), (140, 2847729), (210, 1898486), (420, 949243)]