197190420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{469501}}^1$

素因数の和:469520

約数の個数: 48

約数和(自身を含む): 631010688

約数和(自身を除く): 433820268

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, 469501, 939002, 1408503, 1878004, 2347505, 2817006, 3286507, 4695010, 5634012, 6573014, 7042515, 9390020, 9859521, 13146028, 14085030, 16432535, 19719042, 28170060, 32865070, 39438084, 49297605, 65730140, 98595210, 197190420]

約数ペア:

[(1, 197190420), (2, 98595210), (3, 65730140), (4, 49297605), (5, 39438084), (6, 32865070), (7, 28170060), (10, 19719042), (12, 16432535), (14, 14085030), (15, 13146028), (20, 9859521), (21, 9390020), (28, 7042515), (30, 6573014), (35, 5634012), (42, 4695010), (60, 3286507), (70, 2817006), (84, 2347505), (105, 1878004), (140, 1408503), (210, 939002), (420, 469501)]