267487780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{12823}}^1$

素因数の和:12988

約数の個数: 48

約数和(自身を含む): 646329600

約数和(自身を除く): 378841820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 12823, 20860, 25646, 51292, 64115, 89761, 128230, 179522, 256460, 359044, 448805, 897610, 1795220, 1910627, 3821254, 7642508, 9553135, 13374389, 19106270, 26748778, 38212540, 53497556, 66871945, 133743890, 267487780]

約数ペア:

[(1, 267487780), (2, 133743890), (4, 66871945), (5, 53497556), (7, 38212540), (10, 26748778), (14, 19106270), (20, 13374389), (28, 9553135), (35, 7642508), (70, 3821254), (140, 1910627), (149, 1795220), (298, 897610), (596, 448805), (745, 359044), (1043, 256460), (1490, 179522), (2086, 128230), (2980, 89761), (4172, 64115), (5215, 51292), (10430, 25646), (12823, 20860)]