202106380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{761}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 496190016

約数和(自身を除く): 294083636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 271, 490, 542, 761, 980, 1084, 1355, 1522, 1897, 2710, 3044, 3794, 3805, 5327, 5420, 7588, 7610, 9485, 10654, 13279, 15220, 18970, 21308, 26558, 26635, 37289, 37940, 53116, 53270, 66395, 74578, 106540, 132790, 149156, 186445, 206231, 265580, 372890, 412462, 745780, 824924, 1031155, 1443617, 2062310, 2887234, 4124620, 5774468, 7218085, 10105319, 14436170, 20210638, 28872340, 40421276, 50526595, 101053190, 202106380]

約数ペア:

[(1, 202106380), (2, 101053190), (4, 50526595), (5, 40421276), (7, 28872340), (10, 20210638), (14, 14436170), (20, 10105319), (28, 7218085), (35, 5774468), (49, 4124620), (70, 2887234), (98, 2062310), (140, 1443617), (196, 1031155), (245, 824924), (271, 745780), (490, 412462), (542, 372890), (761, 265580), (980, 206231), (1084, 186445), (1355, 149156), (1522, 132790), (1897, 106540), (2710, 74578), (3044, 66395), (3794, 53270), (3805, 53116), (5327, 37940), (5420, 37289), (7588, 26635), (7610, 26558), (9485, 21308), (10654, 18970), (13279, 15220)]