207834620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1489}}^1$

素因数の和:2502

約数の個数: 48

約数和(自身を含む): 499638720

約数和(自身を除く): 291804100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997, 1489, 1994, 2978, 3988, 4985, 5956, 6979, 7445, 9970, 10423, 13958, 14890, 19940, 20846, 27916, 29780, 34895, 41692, 52115, 69790, 104230, 139580, 208460, 1484533, 2969066, 5938132, 7422665, 10391731, 14845330, 20783462, 29690660, 41566924, 51958655, 103917310, 207834620]

約数ペア:

[(1, 207834620), (2, 103917310), (4, 51958655), (5, 41566924), (7, 29690660), (10, 20783462), (14, 14845330), (20, 10391731), (28, 7422665), (35, 5938132), (70, 2969066), (140, 1484533), (997, 208460), (1489, 139580), (1994, 104230), (2978, 69790), (3988, 52115), (4985, 41692), (5956, 34895), (6979, 29780), (7445, 27916), (9970, 20846), (10423, 19940), (13958, 14890)]