3956260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 10571904

約数和(自身を除く): 6615644

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 367, 385, 490, 539, 734, 770, 980, 1078, 1468, 1540, 1835, 2156, 2569, 2695, 3670, 4037, 5138, 5390, 7340, 8074, 10276, 10780, 12845, 16148, 17983, 20185, 25690, 28259, 35966, 40370, 51380, 56518, 71932, 80740, 89915, 113036, 141295, 179830, 197813, 282590, 359660, 395626, 565180, 791252, 989065, 1978130, 3956260]

約数ペア:

[(1, 3956260), (2, 1978130), (4, 989065), (5, 791252), (7, 565180), (10, 395626), (11, 359660), (14, 282590), (20, 197813), (22, 179830), (28, 141295), (35, 113036), (44, 89915), (49, 80740), (55, 71932), (70, 56518), (77, 51380), (98, 40370), (110, 35966), (140, 28259), (154, 25690), (196, 20185), (220, 17983), (245, 16148), (308, 12845), (367, 10780), (385, 10276), (490, 8074), (539, 7340), (734, 5390), (770, 5138), (980, 4037), (1078, 3670), (1468, 2695), (1540, 2569), (1835, 2156)]