408100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 1124928

約数和(自身を除く): 716828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 53, 55, 70, 77, 100, 106, 110, 140, 154, 175, 212, 220, 265, 275, 308, 350, 371, 385, 530, 550, 583, 700, 742, 770, 1060, 1100, 1166, 1325, 1484, 1540, 1855, 1925, 2332, 2650, 2915, 3710, 3850, 4081, 5300, 5830, 7420, 7700, 8162, 9275, 11660, 14575, 16324, 18550, 20405, 29150, 37100, 40810, 58300, 81620, 102025, 204050, 408100]

約数ペア:

[(1, 408100), (2, 204050), (4, 102025), (5, 81620), (7, 58300), (10, 40810), (11, 37100), (14, 29150), (20, 20405), (22, 18550), (25, 16324), (28, 14575), (35, 11660), (44, 9275), (50, 8162), (53, 7700), (55, 7420), (70, 5830), (77, 5300), (100, 4081), (106, 3850), (110, 3710), (140, 2915), (154, 2650), (175, 2332), (212, 1925), (220, 1855), (265, 1540), (275, 1484), (308, 1325), (350, 1166), (371, 1100), (385, 1060), (530, 770), (550, 742), (583, 700)]