28854840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34351}}^1$

素因数の和:34372

約数の個数: 64

約数和(自身を含む): 98933760

約数和(自身を除く): 70078920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34351, 68702, 103053, 137404, 171755, 206106, 240457, 274808, 343510, 412212, 480914, 515265, 687020, 721371, 824424, 961828, 1030530, 1202285, 1374040, 1442742, 1923656, 2061060, 2404570, 2885484, 3606855, 4122120, 4809140, 5770968, 7213710, 9618280, 14427420, 28854840]

約数ペア:

[(1, 28854840), (2, 14427420), (3, 9618280), (4, 7213710), (5, 5770968), (6, 4809140), (7, 4122120), (8, 3606855), (10, 2885484), (12, 2404570), (14, 2061060), (15, 1923656), (20, 1442742), (21, 1374040), (24, 1202285), (28, 1030530), (30, 961828), (35, 824424), (40, 721371), (42, 687020), (56, 515265), (60, 480914), (70, 412212), (84, 343510), (105, 274808), (120, 240457), (140, 206106), (168, 171755), (210, 137404), (280, 103053), (420, 68702), (840, 34351)]