201559220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4049}}^1$

素因数の和:4208

約数の個数: 48

約数和(自身を含む): 449064000

約数和(自身を除く): 247504780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4049, 4978, 8098, 9956, 12445, 16196, 20245, 24890, 40490, 49780, 76931, 80980, 153862, 307724, 384655, 530419, 769310, 1060838, 1538620, 2121676, 2652095, 5304190, 10077961, 10608380, 20155922, 40311844, 50389805, 100779610, 201559220]

約数ペア:

[(1, 201559220), (2, 100779610), (4, 50389805), (5, 40311844), (10, 20155922), (19, 10608380), (20, 10077961), (38, 5304190), (76, 2652095), (95, 2121676), (131, 1538620), (190, 1060838), (262, 769310), (380, 530419), (524, 384655), (655, 307724), (1310, 153862), (2489, 80980), (2620, 76931), (4049, 49780), (4978, 40490), (8098, 24890), (9956, 20245), (12445, 16196)]