219877980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{523519}}^1$

素因数の和:523538

約数の個数: 48

約数和(自身を含む): 703610880

約数和(自身を除く): 483732900

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, 523519, 1047038, 1570557, 2094076, 2617595, 3141114, 3664633, 5235190, 6282228, 7329266, 7852785, 10470380, 10993899, 14658532, 15705570, 18323165, 21987798, 31411140, 36646330, 43975596, 54969495, 73292660, 109938990, 219877980]

約数ペア:

[(1, 219877980), (2, 109938990), (3, 73292660), (4, 54969495), (5, 43975596), (6, 36646330), (7, 31411140), (10, 21987798), (12, 18323165), (14, 15705570), (15, 14658532), (20, 10993899), (21, 10470380), (28, 7852785), (30, 7329266), (35, 6282228), (42, 5235190), (60, 3664633), (70, 3141114), (84, 2617595), (105, 2094076), (140, 1570557), (210, 1047038), (420, 523519)]