209305740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{821}}^1$

素因数の和:1447

約数の個数: 96

約数和(自身を含む): 671698944

約数和(自身を除く): 462393204

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, 607, 821, 1214, 1642, 1821, 2428, 2463, 3035, 3284, 3642, 4105, 4249, 4926, 5747, 6070, 7284, 8210, 8498, 9105, 9852, 11494, 12140, 12315, 12747, 16420, 16996, 17241, 18210, 21245, 22988, 24630, 25494, 28735, 34482, 36420, 42490, 49260, 50988, 57470, 63735, 68964, 84980, 86205, 114940, 127470, 172410, 254940, 344820, 498347, 996694, 1495041, 1993388, 2491735, 2990082, 3488429, 4983470, 5980164, 6976858, 7475205, 9966940, 10465287, 13953716, 14950410, 17442145, 20930574, 29900820, 34884290, 41861148, 52326435, 69768580, 104652870, 209305740]

約数ペア:

[(1, 209305740), (2, 104652870), (3, 69768580), (4, 52326435), (5, 41861148), (6, 34884290), (7, 29900820), (10, 20930574), (12, 17442145), (14, 14950410), (15, 13953716), (20, 10465287), (21, 9966940), (28, 7475205), (30, 6976858), (35, 5980164), (42, 4983470), (60, 3488429), (70, 2990082), (84, 2491735), (105, 1993388), (140, 1495041), (210, 996694), (420, 498347), (607, 344820), (821, 254940), (1214, 172410), (1642, 127470), (1821, 114940), (2428, 86205), (2463, 84980), (3035, 68964), (3284, 63735), (3642, 57470), (4105, 50988), (4249, 49260), (4926, 42490), (5747, 36420), (6070, 34482), (7284, 28735), (8210, 25494), (8498, 24630), (9105, 22988), (9852, 21245), (11494, 18210), (12140, 17241), (12315, 16996), (12747, 16420)]