131171460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312313}}^1$

素因数の和:312332

約数の個数: 48

約数和(自身を含む): 419750016

約数和(自身を除く): 288578556

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, 312313, 624626, 936939, 1249252, 1561565, 1873878, 2186191, 3123130, 3747756, 4372382, 4684695, 6246260, 6558573, 8744764, 9369390, 10930955, 13117146, 18738780, 21861910, 26234292, 32792865, 43723820, 65585730, 131171460]

約数ペア:

[(1, 131171460), (2, 65585730), (3, 43723820), (4, 32792865), (5, 26234292), (6, 21861910), (7, 18738780), (10, 13117146), (12, 10930955), (14, 9369390), (15, 8744764), (20, 6558573), (21, 6246260), (28, 4684695), (30, 4372382), (35, 3747756), (42, 3123130), (60, 2186191), (70, 1873878), (84, 1561565), (105, 1249252), (140, 936939), (210, 624626), (420, 312313)]