393643320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{468623}}^1$

素因数の和:468644

約数の個数: 64

約数和(自身を含む): 1349637120

約数和(自身を除く): 955993800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 468623, 937246, 1405869, 1874492, 2343115, 2811738, 3280361, 3748984, 4686230, 5623476, 6560722, 7029345, 9372460, 9841083, 11246952, 13121444, 14058690, 16401805, 18744920, 19682166, 26242888, 28117380, 32803610, 39364332, 49205415, 56234760, 65607220, 78728664, 98410830, 131214440, 196821660, 393643320]

約数ペア:

[(1, 393643320), (2, 196821660), (3, 131214440), (4, 98410830), (5, 78728664), (6, 65607220), (7, 56234760), (8, 49205415), (10, 39364332), (12, 32803610), (14, 28117380), (15, 26242888), (20, 19682166), (21, 18744920), (24, 16401805), (28, 14058690), (30, 13121444), (35, 11246952), (40, 9841083), (42, 9372460), (56, 7029345), (60, 6560722), (70, 5623476), (84, 4686230), (105, 3748984), (120, 3280361), (140, 2811738), (168, 2343115), (210, 1874492), (280, 1405869), (420, 937246), (840, 468623)]