189042420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{450101}}^1$

素因数の和:450120

約数の個数: 48

約数和(自身を含む): 604937088

約数和(自身を除く): 415894668

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, 450101, 900202, 1350303, 1800404, 2250505, 2700606, 3150707, 4501010, 5401212, 6301414, 6751515, 9002020, 9452121, 12602828, 13503030, 15753535, 18904242, 27006060, 31507070, 37808484, 47260605, 63014140, 94521210, 189042420]

約数ペア:

[(1, 189042420), (2, 94521210), (3, 63014140), (4, 47260605), (5, 37808484), (6, 31507070), (7, 27006060), (10, 18904242), (12, 15753535), (14, 13503030), (15, 12602828), (20, 9452121), (21, 9002020), (28, 6751515), (30, 6301414), (35, 5401212), (42, 4501010), (60, 3150707), (70, 2700606), (84, 2250505), (105, 1800404), (140, 1350303), (210, 900202), (420, 450101)]