212539880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2801}}^1$

素因数の和:3090

約数の個数: 64

約数和(自身を含む): 548743680

約数和(自身を除く): 336203800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2168, 2710, 2801, 3794, 5420, 5602, 7588, 9485, 10840, 11204, 14005, 15176, 18970, 19607, 22408, 28010, 37940, 39214, 56020, 75880, 78428, 98035, 112040, 156856, 196070, 392140, 759071, 784280, 1518142, 3036284, 3795355, 5313497, 6072568, 7590710, 10626994, 15181420, 21253988, 26567485, 30362840, 42507976, 53134970, 106269940, 212539880]

約数ペア:

[(1, 212539880), (2, 106269940), (4, 53134970), (5, 42507976), (7, 30362840), (8, 26567485), (10, 21253988), (14, 15181420), (20, 10626994), (28, 7590710), (35, 6072568), (40, 5313497), (56, 3795355), (70, 3036284), (140, 1518142), (271, 784280), (280, 759071), (542, 392140), (1084, 196070), (1355, 156856), (1897, 112040), (2168, 98035), (2710, 78428), (2801, 75880), (3794, 56020), (5420, 39214), (5602, 37940), (7588, 28010), (9485, 22408), (10840, 19607), (11204, 18970), (14005, 15176)]