209099560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{275131}}^1$

素因数の和:275161

約数の個数: 32

約数和(自身を含む): 495237600

約数和(自身を除く): 286138040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 275131, 550262, 1100524, 1375655, 2201048, 2751310, 5227489, 5502620, 10454978, 11005240, 20909956, 26137445, 41819912, 52274890, 104549780, 209099560]

約数ペア:

[(1, 209099560), (2, 104549780), (4, 52274890), (5, 41819912), (8, 26137445), (10, 20909956), (19, 11005240), (20, 10454978), (38, 5502620), (40, 5227489), (76, 2751310), (95, 2201048), (152, 1375655), (190, 1100524), (380, 550262), (760, 275131)]