4304020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 10499328

約数和(自身を除く): 6195308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 433, 497, 710, 866, 994, 1420, 1732, 1988, 2165, 2485, 3031, 4330, 4970, 6062, 8660, 9940, 12124, 15155, 30310, 30743, 60620, 61486, 122972, 153715, 215201, 307430, 430402, 614860, 860804, 1076005, 2152010, 4304020]

約数ペア:

[(1, 4304020), (2, 2152010), (4, 1076005), (5, 860804), (7, 614860), (10, 430402), (14, 307430), (20, 215201), (28, 153715), (35, 122972), (70, 61486), (71, 60620), (140, 30743), (142, 30310), (284, 15155), (355, 12124), (433, 9940), (497, 8660), (710, 6062), (866, 4970), (994, 4330), (1420, 3031), (1732, 2485), (1988, 2165)]